Merge pull request #433 from thangbv/develop

Chỉnh sửa phần trình bày module news
Moudle news: fix sort by histview, histcomment
Change update theme
Change update feature
change url sitemap
http://mydomain.com/sitemap.xml
Edit blocc html
Module Page: add function rss
fix link module rss
Merge pull request #81 from nukeviet/develop

Update code from nukeviet (02/08/2014)
Download: del cache after add file
Fix lang
Add jquery UI selectable
Edit .htaccess
Merge branch 'develop' of https://github.com/nukeviet/nukeviet into develop
Fix module menu
Fix jquery UI datepicker css
Fix module upload when tidy enable
module news: fix css
Merge branch 'develop' of git@github.com:nukeviet/nukeviet.git into develop
Format code