Fixed : comma problem in cbpage.class.php
Added : Collapsed for Checkboxes
Fixed : invite_member function. Loop was running for empty index
Updated : get_user_level function. Now user has select fields.
Updated : Initialization of Admin Area Menu
Updated : common.php. Added new modifiers for json_decode and Group Privacy
Updated : functions.php
Fixed : search_result.php. Inserted checking for category.
Updated : A lot template changing.
Updated : view_group.php
Added : new icons for group and new files for group
