Fixed issue: Fixed coding style
Fixed issue: Fixed typos, refactoring in accordance with PSR
Fixed issue: Used fa-fw to set icons at a fixed width.
Fixed issue: Removed role from admin layout
Fixed issue: Used fa-fw to set icons at a fixed width.
Updated feature: Improved user menu. Converted spaces to tabs
Updated feature: Cerber Theme
Updated translation: Amended Russian
Merge pull request #646 from sergeyklay/feature-bootstrap-3

BS3 updates, fixes, user menu improvements