Merge pull request #461 from sergeyklay/master

More additions
Fixed Issue: Better popup forms and buttons
Fixed Issue: Set popup form submit value to original submit value
Fixed issue: Better error handling during form alter and max size exceed
Update feature: Better popup form submission and css cleanup
Fixed issue: Cleaned up gleez.js
Update feature: Now popups and ajaxform handles dataTables
Fixed issue: Fix dataTable redraw after popup form submission
Update feature: Proper response display on popup submission
Fixed issue: Fixed page controller

+ Fixed tabs issue - $post->rawurl instead $post->url
+ Amended PHPDoc
+ Updated feature - Used COnfig::load instead Kohana::$config->load
Fixed issue: Fixed asset name
Update feature: Cerber Theme
Fixed issue: Fixed Exception level
Fixed issue: Minor form.css fixes
Fixed issue: Minor comment form fixes
Fixed issue: Minor comment list fixes
Fixed issue: Fixed redirect in Controller Comment, cleanup code, amended PHPDoc
Updated translation: Minor updates ru, zh, et
Fixed issue: Fixed ability to change logo from admin dashboard
Updated feature: Cerber Theme