Import patches-unapplied version 2.48 to ubuntu/precise

Imported using git-ubuntu import.

Changelog parent: 4e1df5e183

New changelog entries:
  * Fix sense of live/preinstalled change in 2.46; add the live task for
    non-preinstalled images, rather than only for preinstalled images.

debian/changelog

@@ -1,3 +1,10 @@
+livecd-rootfs (2.48) precise; urgency=low
+
+  * Fix sense of live/preinstalled change in 2.46; add the live task for
+    non-preinstalled images, rather than only for preinstalled images.
+
+ -- Colin Watson <cjwatson@ubuntu.com>  Tue, 10 Jan 2012 12:41:36 +0000
+
 livecd-rootfs (2.47) precise; urgency=low
 
   * put ti-omap4-ppa into omap4 images 

live-build/auto/config

@@ -187,7 +187,7 @@ case $PROJECT in
 		;;
 esac
 
-if [ "$PREINSTALLED" = "true" ]; then
+if [ "$PREINSTALLED" != "true" ]; then
 	add_task live "$LIVE_TASK"
 fi