Make incoming call screen style configurable (3/3)

Change-Id: I9ee4388214cddd93f045324323a93c3af79ec4fd
IMS: Only enable IMS calls if IMS service status shows enabled

Change-Id: I9bd4ce17a62dcf188989dd79dc9deaa78e491fa6
Merge remote-tracking branch 'cyanogen/cm-11.0' into cm-11.0

Conflicts:
	res/xml/call_feature_setting.xml