Don't maintain a membership for the 'all' group when it includes everyone. Just return it for everyone if the 'all' group is requested. For the count of the 'all' group, just return a count of all the users on the system. Fixes #613
Related issues
Bug #613: New users are not added/counted in All Users group
Don't maintain a membership for the 'all' group when it includes everyone. Just return it for everyone if the 'all' group is requested. For the count of the 'all' group, just return a count of all the users on the system. Fixes #613