Merge pull request #38 from nukeviet/develop

Update code from nukeviet (29/04/2014)
fix systen info for admin
module download: add config view comment
Default: Remove css after save config
change javascript nv_open_browse
Merge pull request #247 from hongoctrien/develop

Default: Remove css after save config
fix style for facebook like
Merge pull request #249 from thangbv/develop

Them functin xoay+ cat anh
Update global.php
Update footer.tpl
Update data_en.php
Update data_fr.php
Update admin_vi.php
Update admin_en.php
Voting: Fix button view result
Update admin_vi.php
Fixed back to top bottom
Search: form search to center
Update README.md
Update README.md