Fix Extension class
add BLOCK_ID for block
fix invalid range in character class php 5.5.11
Update extensions
Merge pull request #377 from dangdinhtu2014/develop

fix invalid range in character class php 5.5.11
Fix js theme admin
Update extensions
Merge branch 'develop' of https://github.com/nukeviet/nukeviet into develop
Detail extensions
Update extensions
Fix undefended variable
fix php undefined HTTP_ACCEPT_ENCODING
Download and install extensions
Fix module news tooltip
fix meta  description
set layoutdefault for module
Merge pull request #73 from nukeviet/develop

Update code from nukeviet (17/06/2014)