Initial add of an NSIS installer script for the plugin pack. I just cheated and
ripped this off from Guifications 2.x. This needs substantial amounts of work
before it's release/distribution ready.
/*
* irssi - Implements several irssi features for Purple
* Copyright (C) 2005-2008 Gary Kramlich <grim@reaperworld.com>
* Copyright (C) 2006-2008 John Bailey <rekkanoryo@rekkanoryo.org>