Merge pull request #625 from sergeyklay/feature-bootstrap-3

BS3 updates
New feature #623: Initial commit on user proposal and cerber update
Fixed issue: Renamed Taxonomy to Categories in SQL dump for admin menu
Updated translation: Amended Russian
Updated feature: Renamed Vocabulary to Group into messages
Updated feature: Renamed Vocabulary and Terms to Groups and Categories into Views
Updated feature: Oblique font style for description
Updated feature: Renamed Vocabulary and Terms to Groups and Categories into Admin Taxonomy Controller
Updated translation: Amended Russian
Updated feature: Minor cleanup
Updated feature: Cerber Theme
Updated feature: Renamed Vocabulary and Terms to Groups and Categories into Admin Term Controller
Fixed issue: Minor message changes
Updated translation: Amended Russian
Updated feature: Cerber Theme