Merge pull request #27 from nukeviet/develop

Update code from nukeviet (07/04/2014)
Merge pull request #28 from nukeviet/develop

update theme default
Update style menu theme default
Update vertical menu
Module news: block category responsive
PHP files - Remove Closing the PHP tag
Module download: Update theme
Module news: update block group
Merge remote-tracking branch 'nukeviethttps/develop' into develop
Merge pull request #195 from hongoctrien/develop

Module download: Update theme
Module news: update block group
Module news: update block top hit
Module news: Update content theme
Module news: update detail theme
Update bootstrap: Add some components labels, thumbnail, alerts, process
bars
Module news: update sendmail for default theme
Module news: Update sendmail, print for default theme
Update detail theme
Moudule users: fix spell
Module news: update view cat page for default theme