Merge pull request #678 from sergeyklay/feature-bootstrap-3

Some fixes
Update feature: Minor layout additions with better naming tags for content
Fixed issue: Minor head cleanup in layouts
Fixed issue: Bump copyright year and author in doc block
Update feature: Remove gleez namespace in autolink
Update feature: Remove Gleez namespace from Filter class
Update feature: Remove Gleez namespace from Format class
Update feature: Remove Gleez namespace from HTMLFilter class
Update feature: Remove Gleez namespace from DataTables class
Update feature: Remove Gleez namespace from Comment class
Bump copyright year and author in doc block
Update feature: Remove Gleez namespace from ORM class
Fixed issue: Moved tabledrag js and css to greet namespace
Update feature: Update Greet Plugins
Remove unused icons substitued with fontawesome icons
Fixed issue: Fixed http://dev.kohanaframework.org/issues/3604
Fixed issue: Fixed http://dev.kohanaframework.org/issues/4079