Add a message hook for MUC-rooms.
Add custom IQ handlers for room JID.
Add the hook forget_room.
Pass host as an argument of ejabberd_hooks:run_fold. Backported 3ed2a34d594.
Renamed the mod_muc_iq server (mod_muc_iq => ejabberd_mod_muc_iq). Fixed typo.
Inlined mod_muc_iq:srv_name/0.
Fixed errors in mod_muc_iq.

Conflicts:
	apps/ejabberd/src/mod_muc_iq.erl
Run the forget_room hook not globally, but locally for the passed host.
Merge pull request #106 from arcusfelis/arc-muc-hooks-picked

Introduced new mod_muc's hooks
Merge https://github.com/esl/ejabberd