change gitignore

.gitignore

@@ -1,16 +1,10 @@
-log/*
-tmp/pids/server.pid
-.project
-.svn/
-.git/
-.bundle
-log
-/log/development.log
-/log/development.scm.stderr.log
-test/*
-tmp/*
-/app/models/tag.rb
-/app/models/tag.rb
-/public/images/requirements/reference - 副本 - 副本.jpg
-
-/public/images/requirements/*.jpg
+/.project
+/.bundle
+
+/files/*
+/log/*
+/test/*
+/tmp/*
+/public/images/requirements/*
+/public/images/avatars/*
+