[GATE-14] Can log in to irc.freenode.net at the moment after registering and talk back and forth.
Some misc tweaks to MSN support.  Still getting IOException that I haven't tracked down yet.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk/src/plugins/gateway@5315 b35dd754-fafc-0310-a699-88a17e54d16e