Merge pull request #1 from nukeviet/develop

update code from NukeViet
Merge pull request #2 from nukeviet/develop

update code from NukeViet 02042014
Merge pull request #3 from nukeviet/develop

update code from NukeViet
fix responsive news detail
Update css news
Check exist field
Merge pull request #201 from dangdinhtu2014/develop

fix responsive news detail
Merge pull request #202 from hongoctrien/develop

Module users: Check exist field
fix session using the configuration stored in php
Merge pull request #31 from nukeviet/develop

Update code from nukeviet (14/04/2014)
Clear double code
Fix script menu vertical when site optime
Fix display error_send_mail in config global
Module news: update search style for default
Merge pull request #204 from hongoctrien/develop

Fix display error_send_mail in config global
Module users: Fix error not reload main page when update field
Module page: responsive image
Moodule page: update style
Merge pull request #205 from hongoctrien/develop

Module users: Fix error not reload main page when update field
fix rewrite for IIS 7