GabbleMUCFactory: when creating a new roomlist channel, include the request context in the signal.
GabbleMUCFactory: when creating a new roomlist channel, include the request context in the signal.

Also assert in make_roomlist_channel that we don't already have one, since that's now a different code path in the request() implementation.

20070214191611-53eee-de502963bb6e093e06ef053d172e5638b738cc1d.gz

Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib,Ziemin/telepathy-gabble,jku/telepathy-gabble,community-ssu/telepathy-gabble,community-ssu/telepathy-gabble,jku/telepathy-gabble,mlundblad/telepathy-gabble,Ziemin/telepathy-gabble,community-ssu/telepathy-gabble,mlundblad/telepathy-gabble,Distrotech/telepathy-glib,Ziemin/telepathy-gabble,Ziemin/telepathy-gabble,mlundblad/telepathy-gabble,Distrotech/telepathy-glib,jku/telepathy-gabble,community-ssu/telepathy-gabble