v2.5

• added: auto join groups based on email invitation when joining the site
• added: different group ACL fixes
• fixed: problem with email invites from hidden groups
• fixed: in some cases email invites weren't saved
• changed: auto notifications now listen to $NOTIFICATION_HANDLERS
• changed: handling of invitations page
• changed: layout of actions
• removed: group creation limited to admins (Elgg core now offers this option)