Merge pull request #307 from hongoctrien/develop

Modules: add tooltip for block group
update module language
Merge branch 'develop' of git@github.com:nukeviet/nukeviet.git into develop
Merge pull request #310 from hongoctrien/develop

Module contact: hidden fied empty on list department
Hide adv search link when choose module which no support function search
Fix rewrite
module news: fix view detail content
change language theme
changing access statistics site
(note: required reinstall the site)
change default groups_view
update module statistics
Merge pull request #51 from nukeviet/develop

Update code from nukeviet (13/05/2014)