patch for spin-kickstarts: switch xfce to lxdm

here's the patch.
--
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Fedora Talk: adamwill AT fedoraproject DOT org
http://www.happyassassin.net

>From e06893a9ba90aba1eb31d58a0eae3d12867565c9 Mon Sep 17 00:00:00 2001
From: Adam Williamson <awilliam@redhat.com>
Date: Thu, 17 Feb 2011 15:49:55 -0800
Subject: [PATCH] switch Xfce to lxdm (temporary probably, working around bug in gdm for alpha)

fedora-livecd-xfce.ks

@@ -14,6 +14,11 @@
 
 %packages
 
+# login
+-gdm
+-pulseaudio-gdm-hooks
+lxdm
+
 # Office
 abiword
 
@@ -141,7 +146,8 @@ xfce4-weather-plugin
 xfce4-websearch-plugin
 # this one a compatibility layer for GNOME applets and depends on it
 #xfce4-xfapplet-plugin
-xfce4-xfswitch-plugin
+# requires gdm which we're not using in this build
+#xfce4-xfswitch-plugin
 xfce4-xkb-plugin
 # system-config-printer does printer management better
 #xfprint
@@ -179,8 +185,12 @@ xfwm4-themes
 
 cat > /etc/sysconfig/desktop <<EOF
 PREFERRED=/usr/bin/startxfce4
+DISPLAYMANAGER=/usr/sbin/lxdm
 EOF
 
+# set up auto-login for liveuser
+sed -i 's|# autologin=dgod|autologin=liveuser|g' /etc/lxdm/lxdm.conf
+
 mkdir -p /root/.config/xfce4
 
 cat > /root/.config/xfce4/helpers.rc <<EOF