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diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index 6e7df1b..dcba7cb 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -10,7 +10,7 @@
       </profile>
     </annotationProcessing>
     <bytecodeTargetLevel>
-      <module name="UserActionAnalyzePlatform" target="1.6" />
+      <module name="UserActionAnalyzePlatform" target="1.5" />
     </bytecodeTargetLevel>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__antlr_antlr_2_7_7.xml b/.idea/libraries/Maven__antlr_antlr_2_7_7.xml
deleted file mode 100644
index b8d93d8..0000000
--- a/.idea/libraries/Maven__antlr_antlr_2_7_7.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__asm_asm_3_1.xml b/.idea/libraries/Maven__asm_asm_3_1.xml
deleted file mode 100644
index 3386f10..0000000
--- a/.idea/libraries/Maven__asm_asm_3_1.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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-  </library>
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_101tec_zkclient_0_3.xml b/.idea/libraries/Maven__com_101tec_zkclient_0_3.xml
deleted file mode 100644
index f202d28..0000000
--- a/.idea/libraries/Maven__com_101tec_zkclient_0_3.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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\ No newline at end of file
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deleted file mode 100644
index 08dbed5..0000000
--- a/.idea/libraries/Maven__com_alibaba_fastjson_1_1_41.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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deleted file mode 100644
index 1980df6..0000000
--- a/.idea/libraries/Maven__com_clearspring_analytics_stream_2_7_0.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_esotericsoftware_kryo_kryo_2_21.xml b/.idea/libraries/Maven__com_esotericsoftware_kryo_kryo_2_21.xml
deleted file mode 100644
index 517684f..0000000
--- a/.idea/libraries/Maven__com_esotericsoftware_kryo_kryo_2_21.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_esotericsoftware_minlog_minlog_1_2.xml b/.idea/libraries/Maven__com_esotericsoftware_minlog_minlog_1_2.xml
deleted file mode 100644
index f926eec..0000000
--- a/.idea/libraries/Maven__com_esotericsoftware_minlog_minlog_1_2.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_esotericsoftware_reflectasm_reflectasm_shaded_1_07.xml b/.idea/libraries/Maven__com_esotericsoftware_reflectasm_reflectasm_shaded_1_07.xml
deleted file mode 100644
index 39b43af..0000000
--- a/.idea/libraries/Maven__com_esotericsoftware_reflectasm_reflectasm_shaded_1_07.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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-    <JAVADOC>
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-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/esotericsoftware/reflectasm/reflectasm/1.07/reflectasm-1.07-sources.jar!/" />
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-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_fasterxml_jackson_core_jackson_annotations_2_4_3.xml b/.idea/libraries/Maven__com_fasterxml_jackson_core_jackson_annotations_2_4_3.xml
deleted file mode 100644
index 42a8d5b..0000000
--- a/.idea/libraries/Maven__com_fasterxml_jackson_core_jackson_annotations_2_4_3.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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-    <JAVADOC>
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-    <SOURCES>
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-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_fasterxml_jackson_core_jackson_core_2_4_3.xml b/.idea/libraries/Maven__com_fasterxml_jackson_core_jackson_core_2_4_3.xml
deleted file mode 100644
index fc3ea3f..0000000
--- a/.idea/libraries/Maven__com_fasterxml_jackson_core_jackson_core_2_4_3.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: com.fasterxml.jackson.core:jackson-core:2.4.3">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-core/2.4.3/jackson-core-2.4.3.jar!/" />
-    </CLASSES>
-    <JAVADOC>
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-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-core/2.4.3/jackson-core-2.4.3-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_fasterxml_jackson_core_jackson_databind_2_4_3.xml b/.idea/libraries/Maven__com_fasterxml_jackson_core_jackson_databind_2_4_3.xml
deleted file mode 100644
index 567d7e5..0000000
--- a/.idea/libraries/Maven__com_fasterxml_jackson_core_jackson_databind_2_4_3.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: com.fasterxml.jackson.core:jackson-databind:2.4.3">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-databind/2.4.3/jackson-databind-2.4.3.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-databind/2.4.3/jackson-databind-2.4.3-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-databind/2.4.3/jackson-databind-2.4.3-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_fasterxml_jackson_module_jackson_module_scala_2_10_2_4_4.xml b/.idea/libraries/Maven__com_fasterxml_jackson_module_jackson_module_scala_2_10_2_4_4.xml
deleted file mode 100644
index 29ba609..0000000
--- a/.idea/libraries/Maven__com_fasterxml_jackson_module_jackson_module_scala_2_10_2_4_4.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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-  <library name="Maven: com.fasterxml.jackson.module:jackson-module-scala_2.10:2.4.4">
-    <CLASSES>
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-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/module/jackson-module-scala_2.10/2.4.4/jackson-module-scala_2.10-2.4.4-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/com/fasterxml/jackson/module/jackson-module-scala_2.10/2.4.4/jackson-module-scala_2.10-2.4.4-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
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diff --git a/.idea/libraries/Maven__com_google_code_findbugs_jsr305_1_3_9.xml b/.idea/libraries/Maven__com_google_code_findbugs_jsr305_1_3_9.xml
deleted file mode 100644
index 0e66824..0000000
--- a/.idea/libraries/Maven__com_google_code_findbugs_jsr305_1_3_9.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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deleted file mode 100644
index 4533c1b..0000000
--- a/.idea/libraries/Maven__com_google_code_gson_gson_2_2_4.xml
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deleted file mode 100644
index b71e220..0000000
--- a/.idea/libraries/Maven__com_google_guava_guava_14_0_1.xml
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deleted file mode 100644
index c06d3a1..0000000
--- a/.idea/libraries/Maven__com_google_protobuf_protobuf_java_2_5_0.xml
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diff --git a/.idea/libraries/Maven__com_googlecode_javaewah_JavaEWAH_0_3_2.xml b/.idea/libraries/Maven__com_googlecode_javaewah_JavaEWAH_0_3_2.xml
deleted file mode 100644
index 061f3a1..0000000
--- a/.idea/libraries/Maven__com_googlecode_javaewah_JavaEWAH_0_3_2.xml
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deleted file mode 100644
index c24800a..0000000
--- a/.idea/libraries/Maven__com_jolbox_bonecp_0_8_0_RELEASE.xml
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deleted file mode 100644
index 322a3c2..0000000
--- a/.idea/libraries/Maven__com_ning_compress_lzf_1_0_3.xml
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diff --git a/.idea/libraries/Maven__com_sun_jersey_jersey_client_1_9.xml b/.idea/libraries/Maven__com_sun_jersey_jersey_client_1_9.xml
deleted file mode 100644
index 4c22f08..0000000
--- a/.idea/libraries/Maven__com_sun_jersey_jersey_client_1_9.xml
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diff --git a/.idea/libraries/Maven__com_sun_jersey_jersey_core_1_9.xml b/.idea/libraries/Maven__com_sun_jersey_jersey_core_1_9.xml
deleted file mode 100644
index abd3e5d..0000000
--- a/.idea/libraries/Maven__com_sun_jersey_jersey_core_1_9.xml
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diff --git a/.idea/libraries/Maven__com_sun_jersey_jersey_server_1_9.xml b/.idea/libraries/Maven__com_sun_jersey_jersey_server_1_9.xml
deleted file mode 100644
index 717467f..0000000
--- a/.idea/libraries/Maven__com_sun_jersey_jersey_server_1_9.xml
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diff --git a/.idea/libraries/Maven__com_thoughtworks_paranamer_paranamer_2_6.xml b/.idea/libraries/Maven__com_thoughtworks_paranamer_paranamer_2_6.xml
deleted file mode 100644
index 465a468..0000000
--- a/.idea/libraries/Maven__com_thoughtworks_paranamer_paranamer_2_6.xml
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diff --git a/.idea/libraries/Maven__com_twitter_chill_2_10_0_5_0.xml b/.idea/libraries/Maven__com_twitter_chill_2_10_0_5_0.xml
deleted file mode 100644
index 08c3ced..0000000
--- a/.idea/libraries/Maven__com_twitter_chill_2_10_0_5_0.xml
+++ /dev/null
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_twitter_chill_java_0_5_0.xml b/.idea/libraries/Maven__com_twitter_chill_java_0_5_0.xml
deleted file mode 100644
index 2f68aba..0000000
--- a/.idea/libraries/Maven__com_twitter_chill_java_0_5_0.xml
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diff --git a/.idea/libraries/Maven__com_twitter_parquet_hadoop_bundle_1_6_0.xml b/.idea/libraries/Maven__com_twitter_parquet_hadoop_bundle_1_6_0.xml
deleted file mode 100644
index 7ec1c2f..0000000
--- a/.idea/libraries/Maven__com_twitter_parquet_hadoop_bundle_1_6_0.xml
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diff --git a/.idea/libraries/Maven__com_typesafe_akka_akka_actor_2_10_2_3_11.xml b/.idea/libraries/Maven__com_typesafe_akka_akka_actor_2_10_2_3_11.xml
deleted file mode 100644
index 7036476..0000000
--- a/.idea/libraries/Maven__com_typesafe_akka_akka_actor_2_10_2_3_11.xml
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_typesafe_akka_akka_remote_2_10_2_3_11.xml b/.idea/libraries/Maven__com_typesafe_akka_akka_remote_2_10_2_3_11.xml
deleted file mode 100644
index dc47d0c..0000000
--- a/.idea/libraries/Maven__com_typesafe_akka_akka_remote_2_10_2_3_11.xml
+++ /dev/null
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_typesafe_akka_akka_slf4j_2_10_2_3_11.xml b/.idea/libraries/Maven__com_typesafe_akka_akka_slf4j_2_10_2_3_11.xml
deleted file mode 100644
index 4e40647..0000000
--- a/.idea/libraries/Maven__com_typesafe_akka_akka_slf4j_2_10_2_3_11.xml
+++ /dev/null
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_typesafe_config_1_2_1.xml b/.idea/libraries/Maven__com_typesafe_config_1_2_1.xml
deleted file mode 100644
index cc78721..0000000
--- a/.idea/libraries/Maven__com_typesafe_config_1_2_1.xml
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diff --git a/.idea/libraries/Maven__com_yammer_metrics_metrics_core_2_2_0.xml b/.idea/libraries/Maven__com_yammer_metrics_metrics_core_2_2_0.xml
deleted file mode 100644
index fc159c5..0000000
--- a/.idea/libraries/Maven__com_yammer_metrics_metrics_core_2_2_0.xml
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diff --git a/.idea/libraries/Maven__commons_beanutils_commons_beanutils_1_7_0.xml b/.idea/libraries/Maven__commons_beanutils_commons_beanutils_1_7_0.xml
deleted file mode 100644
index 1cb64ed..0000000
--- a/.idea/libraries/Maven__commons_beanutils_commons_beanutils_1_7_0.xml
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diff --git a/.idea/libraries/Maven__commons_beanutils_commons_beanutils_core_1_8_0.xml b/.idea/libraries/Maven__commons_beanutils_commons_beanutils_core_1_8_0.xml
deleted file mode 100644
index 3fda2c0..0000000
--- a/.idea/libraries/Maven__commons_beanutils_commons_beanutils_core_1_8_0.xml
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deleted file mode 100644
index cec2493..0000000
--- a/.idea/libraries/Maven__commons_cli_commons_cli_1_2.xml
+++ /dev/null
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deleted file mode 100644
index 27424a1..0000000
--- a/.idea/libraries/Maven__commons_codec_commons_codec_1_10.xml
+++ /dev/null
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deleted file mode 100644
index 13afda2..0000000
--- a/.idea/libraries/Maven__commons_collections_commons_collections_3_2_2.xml
+++ /dev/null
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deleted file mode 100644
index ae96781..0000000
--- a/.idea/libraries/Maven__commons_configuration_commons_configuration_1_6.xml
+++ /dev/null
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deleted file mode 100644
index 49c39ce..0000000
--- a/.idea/libraries/Maven__commons_dbcp_commons_dbcp_1_4.xml
+++ /dev/null
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deleted file mode 100644
index 49f1def..0000000
--- a/.idea/libraries/Maven__commons_digester_commons_digester_1_8.xml
+++ /dev/null
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deleted file mode 100644
index 66e6537..0000000
--- a/.idea/libraries/Maven__commons_httpclient_commons_httpclient_3_1.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__commons_io_commons_io_2_4.xml b/.idea/libraries/Maven__commons_io_commons_io_2_4.xml
deleted file mode 100644
index bc2aad0..0000000
--- a/.idea/libraries/Maven__commons_io_commons_io_2_4.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__commons_lang_commons_lang_2_4.xml b/.idea/libraries/Maven__commons_lang_commons_lang_2_4.xml
deleted file mode 100644
index 5e8b8d3..0000000
--- a/.idea/libraries/Maven__commons_lang_commons_lang_2_4.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__commons_logging_commons_logging_1_1_3.xml b/.idea/libraries/Maven__commons_logging_commons_logging_1_1_3.xml
deleted file mode 100644
index 01c7b8e..0000000
--- a/.idea/libraries/Maven__commons_logging_commons_logging_1_1_3.xml
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@@ -1,13 +0,0 @@
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diff --git a/.idea/libraries/Maven__commons_net_commons_net_2_2.xml b/.idea/libraries/Maven__commons_net_commons_net_2_2.xml
deleted file mode 100644
index cdd400d..0000000
--- a/.idea/libraries/Maven__commons_net_commons_net_2_2.xml
+++ /dev/null
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deleted file mode 100644
index ab20721..0000000
--- a/.idea/libraries/Maven__commons_pool_commons_pool_1_5_4.xml
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diff --git a/.idea/libraries/Maven__io_dropwizard_metrics_metrics_core_3_1_2.xml b/.idea/libraries/Maven__io_dropwizard_metrics_metrics_core_3_1_2.xml
deleted file mode 100644
index e25f69c..0000000
--- a/.idea/libraries/Maven__io_dropwizard_metrics_metrics_core_3_1_2.xml
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diff --git a/.idea/libraries/Maven__io_dropwizard_metrics_metrics_graphite_3_1_2.xml b/.idea/libraries/Maven__io_dropwizard_metrics_metrics_graphite_3_1_2.xml
deleted file mode 100644
index fe7ca23..0000000
--- a/.idea/libraries/Maven__io_dropwizard_metrics_metrics_graphite_3_1_2.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__io_dropwizard_metrics_metrics_json_3_1_2.xml b/.idea/libraries/Maven__io_dropwizard_metrics_metrics_json_3_1_2.xml
deleted file mode 100644
index 8b11059..0000000
--- a/.idea/libraries/Maven__io_dropwizard_metrics_metrics_json_3_1_2.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__io_dropwizard_metrics_metrics_jvm_3_1_2.xml b/.idea/libraries/Maven__io_dropwizard_metrics_metrics_jvm_3_1_2.xml
deleted file mode 100644
index 32625f0..0000000
--- a/.idea/libraries/Maven__io_dropwizard_metrics_metrics_jvm_3_1_2.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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diff --git a/.idea/libraries/Maven__io_netty_netty_3_8_0_Final.xml b/.idea/libraries/Maven__io_netty_netty_3_8_0_Final.xml
deleted file mode 100644
index d77c5c9..0000000
--- a/.idea/libraries/Maven__io_netty_netty_3_8_0_Final.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__io_netty_netty_all_4_0_29_Final.xml b/.idea/libraries/Maven__io_netty_netty_all_4_0_29_Final.xml
deleted file mode 100644
index eaf53f6..0000000
--- a/.idea/libraries/Maven__io_netty_netty_all_4_0_29_Final.xml
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diff --git a/.idea/libraries/Maven__javax_activation_activation_1_1.xml b/.idea/libraries/Maven__javax_activation_activation_1_1.xml
deleted file mode 100644
index 180d587..0000000
--- a/.idea/libraries/Maven__javax_activation_activation_1_1.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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diff --git a/.idea/libraries/Maven__javax_jdo_jdo_api_3_0_1.xml b/.idea/libraries/Maven__javax_jdo_jdo_api_3_0_1.xml
deleted file mode 100644
index ee6078c..0000000
--- a/.idea/libraries/Maven__javax_jdo_jdo_api_3_0_1.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__javax_servlet_servlet_api_2_5.xml b/.idea/libraries/Maven__javax_servlet_servlet_api_2_5.xml
deleted file mode 100644
index 679e09a..0000000
--- a/.idea/libraries/Maven__javax_servlet_servlet_api_2_5.xml
+++ /dev/null
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deleted file mode 100644
index 3047243..0000000
--- a/.idea/libraries/Maven__javax_transaction_jta_1_1.xml
+++ /dev/null
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deleted file mode 100644
index a3054d2..0000000
--- a/.idea/libraries/Maven__javax_xml_bind_jaxb_api_2_2_2.xml
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deleted file mode 100644
index 2a4dd7a..0000000
--- a/.idea/libraries/Maven__javax_xml_stream_stax_api_1_0_2.xml
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deleted file mode 100644
index 374563d..0000000
--- a/.idea/libraries/Maven__javolution_javolution_5_5_1.xml
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deleted file mode 100644
index eaff5ff..0000000
--- a/.idea/libraries/Maven__jline_jline_2_12.xml
+++ /dev/null
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deleted file mode 100644
index 7eb240e..0000000
--- a/.idea/libraries/Maven__joda_time_joda_time_2_5.xml
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deleted file mode 100644
index d411041..0000000
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diff --git a/.idea/libraries/Maven__log4j_apache_log4j_extras_1_2_17.xml b/.idea/libraries/Maven__log4j_apache_log4j_extras_1_2_17.xml
deleted file mode 100644
index 170743e..0000000
--- a/.idea/libraries/Maven__log4j_apache_log4j_extras_1_2_17.xml
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diff --git a/.idea/libraries/Maven__log4j_log4j_1_2_17.xml b/.idea/libraries/Maven__log4j_log4j_1_2_17.xml
deleted file mode 100644
index e383c1b..0000000
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diff --git a/.idea/libraries/Maven__mysql_mysql_connector_java_5_1_6.xml b/.idea/libraries/Maven__mysql_mysql_connector_java_5_1_6.xml
deleted file mode 100644
index 2b062b5..0000000
--- a/.idea/libraries/Maven__mysql_mysql_connector_java_5_1_6.xml
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diff --git a/.idea/libraries/Maven__net_hydromatic_eigenbase_properties_1_1_5.xml b/.idea/libraries/Maven__net_hydromatic_eigenbase_properties_1_1_5.xml
deleted file mode 100644
index 388b7eb..0000000
--- a/.idea/libraries/Maven__net_hydromatic_eigenbase_properties_1_1_5.xml
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diff --git a/.idea/libraries/Maven__net_java_dev_jets3t_jets3t_0_7_1.xml b/.idea/libraries/Maven__net_java_dev_jets3t_jets3t_0_7_1.xml
deleted file mode 100644
index a301a5b..0000000
--- a/.idea/libraries/Maven__net_java_dev_jets3t_jets3t_0_7_1.xml
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diff --git a/.idea/libraries/Maven__net_jpountz_lz4_lz4_1_3_0.xml b/.idea/libraries/Maven__net_jpountz_lz4_lz4_1_3_0.xml
deleted file mode 100644
index 7e9fceb..0000000
--- a/.idea/libraries/Maven__net_jpountz_lz4_lz4_1_3_0.xml
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diff --git a/.idea/libraries/Maven__net_razorvine_pyrolite_4_4.xml b/.idea/libraries/Maven__net_razorvine_pyrolite_4_4.xml
deleted file mode 100644
index 84ff505..0000000
--- a/.idea/libraries/Maven__net_razorvine_pyrolite_4_4.xml
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diff --git a/.idea/libraries/Maven__net_sf_opencsv_opencsv_2_3.xml b/.idea/libraries/Maven__net_sf_opencsv_opencsv_2_3.xml
deleted file mode 100644
index 6abe098..0000000
--- a/.idea/libraries/Maven__net_sf_opencsv_opencsv_2_3.xml
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diff --git a/.idea/libraries/Maven__net_sf_py4j_py4j_0_8_2_1.xml b/.idea/libraries/Maven__net_sf_py4j_py4j_0_8_2_1.xml
deleted file mode 100644
index b771ebc..0000000
--- a/.idea/libraries/Maven__net_sf_py4j_py4j_0_8_2_1.xml
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diff --git a/.idea/libraries/Maven__org_antlr_ST4_4_0_4.xml b/.idea/libraries/Maven__org_antlr_ST4_4_0_4.xml
deleted file mode 100644
index 6633680..0000000
--- a/.idea/libraries/Maven__org_antlr_ST4_4_0_4.xml
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diff --git a/.idea/libraries/Maven__org_antlr_antlr_runtime_3_4.xml b/.idea/libraries/Maven__org_antlr_antlr_runtime_3_4.xml
deleted file mode 100644
index fd0779a..0000000
--- a/.idea/libraries/Maven__org_antlr_antlr_runtime_3_4.xml
+++ /dev/null
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deleted file mode 100644
index 6998bac..0000000
--- a/.idea/libraries/Maven__org_antlr_stringtemplate_3_2_1.xml
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diff --git a/.idea/libraries/Maven__org_apache_avro_avro_1_7_7.xml b/.idea/libraries/Maven__org_apache_avro_avro_1_7_7.xml
deleted file mode 100644
index 1cef8eb..0000000
--- a/.idea/libraries/Maven__org_apache_avro_avro_1_7_7.xml
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diff --git a/.idea/libraries/Maven__org_apache_avro_avro_ipc_1_7_7.xml b/.idea/libraries/Maven__org_apache_avro_avro_ipc_1_7_7.xml
deleted file mode 100644
index 2d2e5e6..0000000
--- a/.idea/libraries/Maven__org_apache_avro_avro_ipc_1_7_7.xml
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diff --git a/.idea/libraries/Maven__org_apache_directory_server_apacheds_i18n_2_0_0_M15.xml b/.idea/libraries/Maven__org_apache_directory_server_apacheds_i18n_2_0_0_M15.xml
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deleted file mode 100644
index 43fc6ed..0000000
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deleted file mode 100644
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deleted file mode 100644
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diff --git a/.idea/libraries/Maven__org_fusesource_leveldbjni_leveldbjni_all_1_8.xml b/.idea/libraries/Maven__org_fusesource_leveldbjni_leveldbjni_all_1_8.xml
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diff --git a/.idea/libraries/Maven__org_htrace_htrace_core_3_0_4.xml b/.idea/libraries/Maven__org_htrace_htrace_core_3_0_4.xml
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diff --git a/.idea/libraries/Maven__org_json4s_json4s_ast_2_10_3_2_10.xml b/.idea/libraries/Maven__org_json4s_json4s_ast_2_10_3_2_10.xml
deleted file mode 100644
index d4b2d55..0000000
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diff --git a/.idea/libraries/Maven__org_json4s_json4s_core_2_10_3_2_10.xml b/.idea/libraries/Maven__org_json4s_json4s_core_2_10_3_2_10.xml
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diff --git a/.idea/libraries/Maven__org_json4s_json4s_jackson_2_10_3_2_10.xml b/.idea/libraries/Maven__org_json4s_json4s_jackson_2_10_3_2_10.xml
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index e57dc0a..0000000
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deleted file mode 100644
index 74d2abc..0000000
--- a/.idea/libraries/Maven__org_objenesis_objenesis_1_2.xml
+++ /dev/null
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_roaringbitmap_RoaringBitmap_0_4_5.xml b/.idea/libraries/Maven__org_roaringbitmap_RoaringBitmap_0_4_5.xml
deleted file mode 100644
index 171c39e..0000000
--- a/.idea/libraries/Maven__org_roaringbitmap_RoaringBitmap_0_4_5.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__org_scala_lang_scala_compiler_2_10_0.xml b/.idea/libraries/Maven__org_scala_lang_scala_compiler_2_10_0.xml
deleted file mode 100644
index 61fd00a..0000000
--- a/.idea/libraries/Maven__org_scala_lang_scala_compiler_2_10_0.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_scala_lang_scala_library_2_10_4.xml b/.idea/libraries/Maven__org_scala_lang_scala_library_2_10_4.xml
deleted file mode 100644
index f159907..0000000
--- a/.idea/libraries/Maven__org_scala_lang_scala_library_2_10_4.xml
+++ /dev/null
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_scala_lang_scala_reflect_2_10_4.xml b/.idea/libraries/Maven__org_scala_lang_scala_reflect_2_10_4.xml
deleted file mode 100644
index 7774384..0000000
--- a/.idea/libraries/Maven__org_scala_lang_scala_reflect_2_10_4.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_scala_lang_scalap_2_10_0.xml b/.idea/libraries/Maven__org_scala_lang_scalap_2_10_0.xml
deleted file mode 100644
index 55c2916..0000000
--- a/.idea/libraries/Maven__org_scala_lang_scalap_2_10_0.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_slf4j_jcl_over_slf4j_1_7_10.xml b/.idea/libraries/Maven__org_slf4j_jcl_over_slf4j_1_7_10.xml
deleted file mode 100644
index 5f42bd6..0000000
--- a/.idea/libraries/Maven__org_slf4j_jcl_over_slf4j_1_7_10.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_slf4j_jul_to_slf4j_1_7_10.xml b/.idea/libraries/Maven__org_slf4j_jul_to_slf4j_1_7_10.xml
deleted file mode 100644
index 941ba8b..0000000
--- a/.idea/libraries/Maven__org_slf4j_jul_to_slf4j_1_7_10.xml
+++ /dev/null
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_slf4j_slf4j_api_1_7_10.xml b/.idea/libraries/Maven__org_slf4j_slf4j_api_1_7_10.xml
deleted file mode 100644
index 2b13f0f..0000000
--- a/.idea/libraries/Maven__org_slf4j_slf4j_api_1_7_10.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__org_slf4j_slf4j_log4j12_1_7_10.xml b/.idea/libraries/Maven__org_slf4j_slf4j_log4j12_1_7_10.xml
deleted file mode 100644
index fb9c8a4..0000000
--- a/.idea/libraries/Maven__org_slf4j_slf4j_log4j12_1_7_10.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__org_spark_project_hive_hive_exec_1_2_1_spark.xml b/.idea/libraries/Maven__org_spark_project_hive_hive_exec_1_2_1_spark.xml
deleted file mode 100644
index 74a2215..0000000
--- a/.idea/libraries/Maven__org_spark_project_hive_hive_exec_1_2_1_spark.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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diff --git a/.idea/libraries/Maven__org_spark_project_hive_hive_metastore_1_2_1_spark.xml b/.idea/libraries/Maven__org_spark_project_hive_hive_metastore_1_2_1_spark.xml
deleted file mode 100644
index 2c91222..0000000
--- a/.idea/libraries/Maven__org_spark_project_hive_hive_metastore_1_2_1_spark.xml
+++ /dev/null
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_spark_project_spark_unused_1_0_0.xml b/.idea/libraries/Maven__org_spark_project_spark_unused_1_0_0.xml
deleted file mode 100644
index 9fbe28c..0000000
--- a/.idea/libraries/Maven__org_spark_project_spark_unused_1_0_0.xml
+++ /dev/null
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_tachyonproject_tachyon_client_0_7_1.xml b/.idea/libraries/Maven__org_tachyonproject_tachyon_client_0_7_1.xml
deleted file mode 100644
index e14969f..0000000
--- a/.idea/libraries/Maven__org_tachyonproject_tachyon_client_0_7_1.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_tachyonproject_tachyon_underfs_hdfs_0_7_1.xml b/.idea/libraries/Maven__org_tachyonproject_tachyon_underfs_hdfs_0_7_1.xml
deleted file mode 100644
index cd16342..0000000
--- a/.idea/libraries/Maven__org_tachyonproject_tachyon_underfs_hdfs_0_7_1.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_tachyonproject_tachyon_underfs_local_0_7_1.xml b/.idea/libraries/Maven__org_tachyonproject_tachyon_underfs_local_0_7_1.xml
deleted file mode 100644
index 845d2cb..0000000
--- a/.idea/libraries/Maven__org_tachyonproject_tachyon_underfs_local_0_7_1.xml
+++ /dev/null
@@ -1,13 +0,0 @@
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\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_tukaani_xz_1_0.xml b/.idea/libraries/Maven__org_tukaani_xz_1_0.xml
deleted file mode 100644
index 8b8042f..0000000
--- a/.idea/libraries/Maven__org_tukaani_xz_1_0.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__org_uncommons_maths_uncommons_maths_1_2_2a.xml b/.idea/libraries/Maven__org_uncommons_maths_uncommons_maths_1_2_2a.xml
deleted file mode 100644
index 26568be..0000000
--- a/.idea/libraries/Maven__org_uncommons_maths_uncommons_maths_1_2_2a.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__org_xerial_snappy_snappy_java_1_1_1_7.xml b/.idea/libraries/Maven__org_xerial_snappy_snappy_java_1_1_1_7.xml
deleted file mode 100644
index 61c0f2b..0000000
--- a/.idea/libraries/Maven__org_xerial_snappy_snappy_java_1_1_1_7.xml
+++ /dev/null
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diff --git a/.idea/libraries/Maven__oro_oro_2_0_8.xml b/.idea/libraries/Maven__oro_oro_2_0_8.xml
deleted file mode 100644
index 25203a0..0000000
--- a/.idea/libraries/Maven__oro_oro_2_0_8.xml
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@@ -1,13 +0,0 @@
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-  <library name="Maven: oro:oro:2.0.8">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/oro/oro/2.0.8/oro-2.0.8.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/oro/oro/2.0.8/oro-2.0.8-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/oro/oro/2.0.8/oro-2.0.8-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__stax_stax_api_1_0_1.xml b/.idea/libraries/Maven__stax_stax_api_1_0_1.xml
deleted file mode 100644
index 0b13335..0000000
--- a/.idea/libraries/Maven__stax_stax_api_1_0_1.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: stax:stax-api:1.0.1">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/stax/stax-api/1.0.1/stax-api-1.0.1.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/stax/stax-api/1.0.1/stax-api-1.0.1-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/stax/stax-api/1.0.1/stax-api-1.0.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__xerces_xercesImpl_2_9_1.xml b/.idea/libraries/Maven__xerces_xercesImpl_2_9_1.xml
deleted file mode 100644
index 19d39db..0000000
--- a/.idea/libraries/Maven__xerces_xercesImpl_2_9_1.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: xerces:xercesImpl:2.9.1">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/xerces/xercesImpl/2.9.1/xercesImpl-2.9.1.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/xerces/xercesImpl/2.9.1/xercesImpl-2.9.1-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/xerces/xercesImpl/2.9.1/xercesImpl-2.9.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__xml_apis_xml_apis_1_3_04.xml b/.idea/libraries/Maven__xml_apis_xml_apis_1_3_04.xml
deleted file mode 100644
index 891caa2..0000000
--- a/.idea/libraries/Maven__xml_apis_xml_apis_1_3_04.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: xml-apis:xml-apis:1.3.04">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/xml-apis/xml-apis/1.3.04/xml-apis-1.3.04.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/xml-apis/xml-apis/1.3.04/xml-apis-1.3.04-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/xml-apis/xml-apis/1.3.04/xml-apis-1.3.04-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__xmlenc_xmlenc_0_52.xml b/.idea/libraries/Maven__xmlenc_xmlenc_0_52.xml
deleted file mode 100644
index 59d176d..0000000
--- a/.idea/libraries/Maven__xmlenc_xmlenc_0_52.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: xmlenc:xmlenc:0.52">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/xmlenc/xmlenc/0.52/xmlenc-0.52.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/xmlenc/xmlenc/0.52/xmlenc-0.52-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/xmlenc/xmlenc/0.52/xmlenc-0.52-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index f042c63..2edfa9b 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,58 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="AutoImportSettings">
+    <option name="autoReloadType" value="ALL" />
+  </component>
   <component name="ChangeListManager">
     <list default="true" id="a7505764-040b-48e2-b2fc-8c5b579e595f" name="Default" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
-      <change beforePath="$PROJECT_DIR$/README.md" afterPath="$PROJECT_DIR$/README.md" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/cn/edu/hust/util/DateUtils.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/cn/edu/hust/util/DateUtils.java" afterDir="false" />
     </list>
-    <ignored path="$PROJECT_DIR$/out/" />
-    <ignored path="$PROJECT_DIR$/target/" />
-    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
-    <option name="TRACKING_ENABLED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
     <option name="LAST_RESOLUTION" value="IGNORE" />
   </component>
-  <component name="FileEditorManager">
-    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file leaf-file-name="UserVisitAnalyze.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/cn/edu/hust/session/UserVisitAnalyze.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-377">
-              <caret line="972" column="29" lean-forward="false" selection-start-line="972" selection-start-column="29" selection-end-line="972" selection-end-column="29" />
-              <folding>
-                <element signature="imports" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="MockData.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/cn/edu/hust/mockData/MockData.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="1482">
-              <caret line="93" column="50" lean-forward="false" selection-start-line="93" selection-start-column="50" selection-end-line="93" selection-end-column="50" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="README.md" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/README.md">
-          <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-            <state split_layout="FIRST">
-              <first_editor relative-caret-position="703">
-                <caret line="448" column="0" lean-forward="false" selection-start-line="448" selection-start-column="0" selection-end-line="448" selection-end-column="0" />
-                <folding />
-              </first_editor>
-              <second_editor />
-            </state>
-          </provider>
-        </entry>
-      </file>
-    </leaf>
-  </component>
   <component name="FileTemplateManagerImpl">
     <option name="RECENT_TEMPLATES">
       <list>
@@ -69,6 +28,11 @@
     </findStrings>
   </component>
   <component name="Git.Settings">
+    <option name="RECENT_BRANCH_BY_REPOSITORY">
+      <map>
+        <entry key="$PROJECT_DIR$" value="main" />
+      </map>
+    </option>
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
   <component name="GradleLocalSettings">
@@ -142,11 +106,6 @@
         <option name="pluginUpdatePolicy" value="UPDATE" />
       </MavenGeneralSettings>
     </option>
-    <option name="importingSettings">
-      <MavenImportingSettings>
-        <option name="importAutomatically" value="true" />
-      </MavenImportingSettings>
-    </option>
   </component>
   <component name="MavenRunner">
     <option name="jreName" value="#JAVA_INTERNAL" />
@@ -157,6 +116,7 @@
     <option name="width" value="1440" />
     <option name="height" value="873" />
   </component>
+  <component name="ProjectId" id="2qIZa6LwsYAbMkZ339KYRo8qH7x" />
   <component name="ProjectInspectionProfilesVisibleTreeState">
     <entry key="Project Default">
       <profile-state>
@@ -278,6 +238,10 @@
       <pane id="AndroidView" />
     </panes>
   </component>
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
   <component name="PropertiesComponent">
     <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
     <property name="nodejs_npm_path_reset_for_default_project" value="true" />
@@ -299,18 +263,6 @@
       <recent name="$PROJECT_DIR$/src/main/java/cn/edu/hust/until" />
     </key>
   </component>
-  <component name="RunDashboard">
-    <option name="ruleStates">
-      <list>
-        <RuleState>
-          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
-        </RuleState>
-        <RuleState>
-          <option name="name" value="StatusDashboardGroupingRule" />
-        </RuleState>
-      </list>
-    </option>
-  </component>
   <component name="RunManager" selected="Application.UserVisitAnalyze">
     <configuration default="true" type="Applet" factoryName="Applet">
       <option name="HTML_USED" value="false" />
@@ -320,218 +272,135 @@
       <module />
     </configuration>
     <configuration name="UserVisitAnalyze" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea">
+      <option name="MAIN_CLASS_NAME" value="cn.edu.hust.session.UserVisitAnalyze" />
+      <module name="UserActionAnalyzePlatform" />
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+      <extension name="coverage">
         <pattern>
           <option name="PATTERN" value="cn.edu.hust.session.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
-      <option name="MAIN_CLASS_NAME" value="cn.edu.hust.session.UserVisitAnalyze" />
-      <option name="VM_PARAMETERS" />
-      <option name="PROGRAM_PARAMETERS" />
-      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="ENABLE_SWING_INSPECTOR" value="false" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="UserActionAnalyzePlatform" />
-      <envs />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration default="true" type="Application" factoryName="Application">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="VM_PARAMETERS" />
-      <option name="PROGRAM_PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="ENABLE_SWING_INSPECTOR" value="false" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="" />
-      <envs />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration name="ParamUtilsTest.test2" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea">
+      <module name="UserActionAnalyzePlatform" />
+      <extension name="coverage">
         <pattern>
           <option name="PATTERN" value="cn.edu.hust.utils.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
-      <module name="UserActionAnalyzePlatform" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
       <option name="PACKAGE_NAME" value="cn.edu.hust.utils" />
       <option name="MAIN_CLASS_NAME" value="cn.edu.hust.utils.ParamUtilsTest" />
       <option name="METHOD_NAME" value="test2" />
       <option name="TEST_OBJECT" value="method" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration name="SessionAggrDao.test" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea">
+      <module name="UserActionAnalyzePlatform" />
+      <extension name="coverage">
         <pattern>
           <option name="PATTERN" value="cn.edu.hust.dao.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
-      <module name="UserActionAnalyzePlatform" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
       <option name="PACKAGE_NAME" value="cn.edu.hust.dao" />
       <option name="MAIN_CLASS_NAME" value="cn.edu.hust.dao.SessionAggrDao" />
       <option name="METHOD_NAME" value="test" />
       <option name="TEST_OBJECT" value="method" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration name="SessionDetailTest.testInsert" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea">
+      <module name="UserActionAnalyzePlatform" />
+      <extension name="coverage">
         <pattern>
           <option name="PATTERN" value="cn.edu.hust.dao.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
-      <module name="UserActionAnalyzePlatform" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
       <option name="PACKAGE_NAME" value="cn.edu.hust.dao" />
       <option name="MAIN_CLASS_NAME" value="cn.edu.hust.dao.SessionDetailTest" />
       <option name="METHOD_NAME" value="testInsert" />
       <option name="TEST_OBJECT" value="method" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration name="SessionRandomExtractDaoTest.testBatchInsert" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea">
+      <module name="UserActionAnalyzePlatform" />
+      <extension name="coverage">
         <pattern>
           <option name="PATTERN" value="cn.edu.hust.dao.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
-      <module name="UserActionAnalyzePlatform" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
       <option name="PACKAGE_NAME" value="cn.edu.hust.dao" />
       <option name="MAIN_CLASS_NAME" value="cn.edu.hust.dao.SessionRandomExtractDaoTest" />
       <option name="METHOD_NAME" value="testBatchInsert" />
       <option name="TEST_OBJECT" value="method" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration default="true" type="JUnit" factoryName="JUnit">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <module name="" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="PACKAGE_NAME" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="METHOD_NAME" />
       <option name="TEST_OBJECT" value="class" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
-    <configuration default="true" type="Remote" factoryName="Remote">
-      <option name="USE_SOCKET_TRANSPORT" value="true" />
-      <option name="SERVER_MODE" value="false" />
-      <option name="SHMEM_ADDRESS" value="javadebug" />
-      <option name="HOST" value="localhost" />
-      <option name="PORT" value="5005" />
-    </configuration>
-    <configuration default="true" type="TestNG" factoryName="TestNG">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <module name="" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="SUITE_NAME" />
-      <option name="PACKAGE_NAME" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="METHOD_NAME" />
-      <option name="GROUP_NAME" />
+    <configuration default="true" type="TestNG">
       <option name="TEST_OBJECT" value="CLASS" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="OUTPUT_DIRECTORY" />
-      <option name="ANNOTATION_TYPE" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <option name="USE_DEFAULT_REPORTERS" value="false" />
-      <option name="PROPERTIES_FILE" />
-      <envs />
       <properties />
       <listeners />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
-    <configuration default="true" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType" factoryName="Plugin">
+    <configuration default="true" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType">
       <module name="" />
       <option name="VM_PARAMETERS" value="-Xmx512m -Xms256m -XX:MaxPermSize=250m -ea" />
       <option name="PROGRAM_PARAMETERS" />
-      <predefined_log_file id="idea.log" enabled="true" />
+      <predefined_log_file enabled="true" id="idea.log" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
-    <list size="5">
-      <item index="0" class="java.lang.String" itemvalue="Application.UserVisitAnalyze" />
-      <item index="1" class="java.lang.String" itemvalue="JUnit.ParamUtilsTest.test2" />
-      <item index="2" class="java.lang.String" itemvalue="JUnit.SessionAggrDao.test" />
-      <item index="3" class="java.lang.String" itemvalue="JUnit.SessionDetailTest.testInsert" />
-      <item index="4" class="java.lang.String" itemvalue="JUnit.SessionRandomExtractDaoTest.testBatchInsert" />
+    <list>
+      <item itemvalue="Application.UserVisitAnalyze" />
+      <item itemvalue="JUnit.ParamUtilsTest.test2" />
+      <item itemvalue="JUnit.SessionAggrDao.test" />
+      <item itemvalue="JUnit.SessionDetailTest.testInsert" />
+      <item itemvalue="JUnit.SessionRandomExtractDaoTest.testBatchInsert" />
     </list>
     <recent_temporary>
-      <list size="5">
-        <item index="0" class="java.lang.String" itemvalue="Application.UserVisitAnalyze" />
-        <item index="1" class="java.lang.String" itemvalue="JUnit.SessionRandomExtractDaoTest.testBatchInsert" />
-        <item index="2" class="java.lang.String" itemvalue="JUnit.SessionDetailTest.testInsert" />
-        <item index="3" class="java.lang.String" itemvalue="JUnit.SessionAggrDao.test" />
-        <item index="4" class="java.lang.String" itemvalue="JUnit.ParamUtilsTest.test2" />
+      <list>
+        <item itemvalue="Application.UserVisitAnalyze" />
+        <item itemvalue="JUnit.SessionRandomExtractDaoTest.testBatchInsert" />
+        <item itemvalue="JUnit.SessionDetailTest.testInsert" />
+        <item itemvalue="JUnit.SessionAggrDao.test" />
+        <item itemvalue="JUnit.ParamUtilsTest.test2" />
       </list>
     </recent_temporary>
   </component>
-  <component name="ShelveChangesManager" show_recycled="false">
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@@ -551,6 +420,7 @@
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       <workItem from="1529994772485" duration="146000" />
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@@ -669,7 +539,7 @@
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   <component name="TypeScriptGeneratedFilesManager">
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+    <option name="version" value="3" />
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     <option name="TAB_STATES">
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diff --git a/UserActionAnalyzePlatform.iml b/UserActionAnalyzePlatform.iml
index 6e9857d..1cd9bcc 100644
--- a/UserActionAnalyzePlatform.iml
+++ b/UserActionAnalyzePlatform.iml
@@ -1,192 +1,18 @@
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+    <output-test url="file://$MODULE_DIR$/${project.build.directory}/test-classes" />
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       <sourceFolder url="file://$MODULE_DIR$/src/main/test" isTestSource="true" />
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\ No newline at end of file
diff --git a/src/main/java/cn/edu/hust/util/DateUtils.java b/src/main/java/cn/edu/hust/util/DateUtils.java
index 7883fdf..e5f32bb 100644
--- a/src/main/java/cn/edu/hust/util/DateUtils.java
+++ b/src/main/java/cn/edu/hust/util/DateUtils.java
@@ -7,7 +7,7 @@ import java.util.Date;
 
 /**
  * 日期时间工具类
- * @author Administrator
+ * @author Administrator111
  *
  */
 public class DateUtils {