Import patches-unapplied version 2.168 to ubuntu/saucy-proposed

Imported using git-ubuntu import.

Changelog parent: c7b535e66e

New changelog entries:
  * drop unity-next PPA from ubuntu-touch builds, unity8 is in the archive now

debian/changelog

@@ -1,3 +1,9 @@
+livecd-rootfs (2.168) saucy; urgency=low
+
+  * drop unity-next PPA from ubuntu-touch builds, unity8 is in the archive now
+
+ -- Oliver Grawert <ogra@ubuntu.com>  Thu, 01 Aug 2013 19:11:55 +0200
+
 livecd-rootfs (2.167) saucy; urgency=low
 
   * make sure FLASH_KERNEL_SKIP is set when we post-process touch images

live-build/ubuntu-touch/archives/ubuntu-unity-next.key.chroot

@@ -1,13 +0,0 @@
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live-build/ubuntu-touch/archives/ubuntu-unity-next.list.chroot

@@ -1,2 +0,0 @@
-deb http://ppa.launchpad.net/ubuntu-unity/next/ubuntu @DISTRIBUTION@ main
-# deb-src http://ppa.launchpad.net/ubuntu-unity/next/ubuntu @DISTRIBUTION@ main