Merge branch 'hjq_new_course' of https://git.trustie.net/jacknudt/trustieforge into hjq_new_course

Conflicts:
	app/helpers/users_helper.rb
	app/views/users/_project_issue_detail.html.erb
	app/views/users/search_user_course.js.erb
	app/views/users/search_user_org.js.erb
	app/views/users/search_user_project.js.erb
	db/schema.rb

app/helpers/users_helper.rb

@@ -85,6 +85,11 @@ module UsersHelper
     end
   end
 
+  def link_to_user_version(version, options = {})
+    return '' unless version && version.is_a?(Version)
+    link_to_if version.visible?, format_version_name(version), { :controller => 'versions', :action => 'show', :id => version }, :class => "linkBlue"
+  end
+
   # 统计未读消息数
   def unviewed_message(user)
     course_count = CourseMessage.where("user_id =? and viewed =?", user, 0).count