Add Gesture Lockscreen [2/2]

Signed-off-by: MURA Stefano [STELIX PippoX3] <ssspinni@gmail.com>

Change-Id: If5bb620cbc69fc8771e2b6211a2daf78bc50a995

Conflicts:
	res/values/cm_strings.xml
	src/com/android/settings/SecuritySettings.java