MUC: Record timestamps and actors of affiliation changes This can help with things like timed affiliations or cleanup of obsolete affiliations, identifying recent changes (e.g. to allow efficient catch-up by clients when changes to the affiliation list occur), and such, as well as simple auditing.

-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--

module:set_global(); -- we're a global module

-- TODO delete this whole concept