Groups2009 code:
Moin.groups.GroupManager is initialized with a request initialization. http://hg.moinmo.in/moin/1.9-groups-dmilajevs/rev/fb0cce9e8621
BackendManager does not require request object in init http://hg.moinmo.in/moin/1.9-groups-dmilajevs/rev/0a0387a9eb1e