Merge branch 'hjq_new_course' into develop

app/controllers/repositories_controller.rb

@@ -351,7 +351,7 @@ update
       @changesets = g.commits(@project.gpid, :ref_name => @rev)
       # @changesets = @repository.latest_changesets(@path, @rev)
       # @changesets_count = @repository.latest_changesets(@path, @rev).count
-      @changesets_all_count = changesets_num(@project)
+      @changesets_all_count = @project.gpid.nil? ? 0 : g.commits_total_count(@project.gpid).count
       @changesets_latest_coimmit = @changesets[0]
       @properties = @repository.properties(@path, @rev)
       @repositories = @project.repositories