QuickSettings : Add BatterySaver Tile (2/2)

Conflicts:
	res/values/liquid_strings.xml
	src/com/android/settings/liquid/quicksettings/QuickSettingsUtil.java
Merge branch 'kitkat2' of https://github.com/LiquidSmooth/android_packages_apps_Settings into kitkat2

Conflicts:
	res/values/liquid_strings.xml
	src/com/android/settings/liquid/quicksettings/QuickSettingsUtil.java