Also run it across the whole tree to get everything using the One True Style.
We don't yet run this in an automated fashion as it's a little slow, but
there is a snippet to do so in makeall.sh.
IRCChannel and IRCQuery objects now create their own windows with the
help of an aid_create_window callback provided by IRCAppWindow.
There's still a bit of murk but this is already an improvement.
