Add Bootloader Assert

Per cyanogen, users on older bootloader/basebands are prone to
adverse behavior in respect to recent commits for the device.

Add assert to alert user to begin firmware update process manually.

Change-Id: I332a5cd81a8ecf4a28fd278d448bb1a9a6c44158
hammerhead: Remove deprecated flag

Change-Id: Id52576dd2262eca00292a90511245445dab2ae08
Remove live wallpaper from device setup
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0
Merge branch 'cm-11.0' of https://github.com/mofox1/android_device_lge_hammerhead into cm-11.0