Merge pull request #449 from hongoctrien/develop

Add block cat news
Module upload: Support selectable
Auto delete selectable highlight
Module news: Auto creat alias
Fix news/admin/topics.php
Fix news/admin/groups.php
Fix save news.
Merge branch 'develop' of https://github.com/nukeviet/nukeviet into develop
module news: fix change_alias
Merge pull request #83 from nukeviet/develop

Update code from nukeviet (12/08/2014)