This allows the Evennia server to launch a bot that pipes output from an IRC channel to an Evennia channel. IMC2 and IRC channels
mapped to the same channel will also see traffic from each other.
New fields in settings.py were added to setup the IRC bot.
Added new in-game commands '@imc2chan' and @irc2chan for mapping irc/imc channels to evennia channels; you don't have to
use the admin interface anymore.
This is a correction commit to add the correct text info; the irc bot was really added in r650.
/Griatch
