added unset profile
Altered JS for groups
Added JS error message for no group selected
added grouplist Tpl chunk
added lex strings for groups
modified tpls for groups; changed some placeholders
Refactored for Groups
removed debugging code
more debugging code removed
changes for backward compatibility
removed registration confirmed page from no-shows
updated tutorial
moved all markCurrent and field name properties to checkboxes class
removed markCurrent setting from snippet
moved sbs_show_groups and sbs_show_interest to system settings
removed showGroups and showInterests tags from Tpl chunks
Updated tutorial
added groupListTpl and field name System Settings
sanity check for parent ID
fixed bug with missing setting field name