Import patches-unapplied version 2.72 to ubuntu/quantal

Imported using git-ubuntu import.

Changelog parent: fca5765e72

New changelog entries:
  * Install a hook to remove /etc/fstab rather than building ubuntu-server
    with --debian-installer=live; the latter has unwanted side-effects.

debian/changelog

@@ -1,3 +1,10 @@
+livecd-rootfs (2.72) quantal; urgency=low
+
+  * Install a hook to remove /etc/fstab rather than building ubuntu-server
+    with --debian-installer=live; the latter has unwanted side-effects.
+
+ -- Colin Watson <cjwatson@ubuntu.com>  Mon, 23 Jul 2012 21:34:28 +0100
+
 livecd-rootfs (2.71) quantal; urgency=low
 
   * live-build/auto/config: Don't purge .pyc files on ubuntu-server images.

live-build/auto/config

@@ -199,7 +199,6 @@ case $PROJECT in
 		add_task install minimal standard server
 		COMPONENTS='main'
 		PREINSTALL_POOL_SEEDS='server-ship'
-		OPTS="${OPTS:+$OPTS }--debian-installer=live"
 		;;
 
 	ubuntu-core)
@@ -293,6 +292,13 @@ case $PROJECT in
 	kubuntu|kubuntu-active)
 		ln -s /usr/share/live/build/examples/hooks/kubuntu_chroot_icon-theme.sh config/chroot_local-hooks/
 		;;
+
+	ubuntu-server)
+		cat > config/chroot_local-hooks/ubuntu-server_chroot_remove-fstab.sh <<EOF
+#! /bin/sh
+rm -f /etc/fstab
+EOF
+		;;
 esac
 
 case $SUBPROJECT in