Merge pull request #65 from lowki/master

Moved responsive images rewrite to sl_images
Update iConnector
Added get_magic_quotes_gpc on db connectors
Update sla_model for upload attachments (mkdir recursive)
Added Generic Connector.
Added Generic Connector
Merge pull request #67 from lowki/master

Added RewriteBase in htaccess
parse_url_query function optimization.
Update sla_articles and more features.
Update sla_users and filters functions