Enable Back-key when go to Emergency call

When go to "Emergency call" from lock screen, back key is disappeared.
It is difficult for user to find the way to go back to previous screen.
This might be bad user experience. So we are going to make it enable.

Change-Id: Iefcca9b8943472c24ddbca6e3ec3441e93e5be91

Patchset: 2
http://review.cyanogenmod.org/#/c/57524/
Add Drive mode

Signed-off-by: dragon <dragon7780@hotmail.nl>

Conflicts:
	AndroidManifest.xml
	res/values/fusion_strings.xml
	res/values/slim_arrays.xml
	res/xml/fusion_settings.xml

Conflicts:
	AndroidManifest.xml
	res/values/sl_arrays.xml
	res/values/sl_strings.xml
	res/xml/limpio_settings.xml
L-Droid Download Center

Change-Id: Ibd82a1309ab70d4686f90d7c8c3c357011bf00f8

Conflicts:
	AndroidManifest.xml
	res/values/crom_strings.xml
	res/xml/crom_lab_prefs.xml

Conflicts:
	AndroidManifest.xml
	res/values/sl_strings.xml
	res/xml/limpio_settings.xml
Fix build
Omnirom PerformanceControl

Conflicts:
	Android.mk
	AndroidManifest.xml
	res/values/cm_strings.xml
	res/values/fusion_strings.xml
	res/xml/performance_settings.xml
	src/com/android/settings/Settings.java
	src/com/android/settings/cyanogenmod/BootReceiver.java

Conflicts:
	AndroidManifest.xml
	res/values/sl_strings.xml
	src/com/android/settings/Settings.java
Fix settings