add option to force high-end graphics on low memory devices

Change-Id: I34e0d7381615485b58385abed743e01f7272772d
settings: fix battery stats

* Use the new dock stats parcelable creator

Change-Id: I4f1ac0b2b7181f0c9c023795acf1671f7b9e9820
JIRA: CYAN-3127
Issue: https://jira.cyanogenmod.org/browse/CYAN-3127
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Merge remote-tracking branch 'github/cm-11.0' into cm-11.0

Conflicts:
	res/xml/performance_settings.xml
	src/com/android/settings/cyanogenmod/PerformanceSettings.java

Change-Id: Ie52a7dda86cc9eaa6875bf51556aef8c29707842