Add CPU info overlay [2/2]

this shows
CPU temp (if available)
for every core governor + online + freq

Change-Id: Ibc606529fdd2473a11db988dae4dcb892b84bc8a

Conflicts:
	res/values/cm_strings.xml
	res/xml/system_ui_settings.xml
	src/com/android/settings/cyanogenmod/SystemUiSettings.java