class: sql_db remover function sql_version
change table nv3_session
change table nv3_groups, nv3_vi_news_block_cat
change table nv3_upload_file
Merge remote-tracking branch 'quoctien/develop' into develop

Conflicts:
	modules/news/blocks/module.block_headline.php
Merge pull request #4 from vuthao/develop

develop