Merge pull request #8 from nukeviet/develop

Update code from nukeviet (26/02/2014)
Merge pull request #9 from nukeviet/develop

Update code from nukeviet (26/02/2014)
Merge pull request #10 from nukeviet/develop

Update code from nukeviet (02/03/2014)
Merge pull request #11 from nukeviet/develop

Update code from nukeviet (07/03/2014)
Fix error email when edit userinfo
Add change avatar size in modules users config
Update avatar upload (for default theme)
Update upload avatar (for modern theme)
Update upload avatar (for admin)
Fix display shadownbox in module banners and users
Fix block menu style: side_menu_bar and treeview
Fix block menu style: top_menu_bar
Merge pull request #137 from hongoctrien/develop

Update avatar upload