RAM bar (2/2) && Color picker

Thanks to @kufikugel for hole code ported from 4.3

Change-Id: Icc2307901a9052c647e52c3d3cb6f00805e88aba

Conflicts:
	AndroidManifest.xml
	res/values/cr_arrays.xml
	res/values/cr_strings.xml
	res/xml/general_settings.xml
	src/com/android/settings/Settings.java