Merge branch 'master' into Rays
Merge branch 'master' into Rays
Merge pull request #112 from RenchuSong/master

default page
few improvements
Mark messages as read via Ajax if the actions inside the message body are performed.
Use two-level selection of categories in "Create group" form
Update UI of "user_panel" module
Link script in "user_panel"
Order by ID,views,likes,etc... in GroupController/admin and PostController/admin
Merge branch 'master' into Rays
Update Rays, RaysBase of framework
Delete SQLBuilder class
Update code style
Update RRouter and RHttpRequest
Update post table
dotdotdot bugfix