Merge pull request #304 from sexnothing/user

System module role add action server bug
Code cleaning up for Db model
Merge branch 'develop' into user
Style fix for simple layout
Added module list for permission controller
Changed updateMeta event order
Merge branch 'develop' into user
Code cleaning up
Fix for error page rendering
Added config service
Code cleaning up
Added permission component to settings
Updated navigation
Add system user list fix user module list bug
Merge pull request #305 from liuchuangww/user

Add system user list fix user module list bug
Added site URL link to error templates
Code clean
Added action for role name duplication check
Added action for role name duplication check
Merge pull request #306 from liuchuangww/user

Code clean