pyramid: RIL: Add custom HtcMsm8660RIL to fix SignalStrength
HtcMsm8660RIL : New RIL returns 5 operator infos by default its 4.

Override in our ril.
pyramid:overlay: Bring back intrusiveNotificationLed
pyraid:overlay: Enable multi user support
pyramid: Use system_prop.mk instead of system.prop
Merge https://github.com/ivanich/android_device_htc_pyramid into cm-12.0

Conflicts:
	BoardConfig.mk
	system.prop