[WIP] App sidebar [1/2]

Change-Id: Ifc0c74ad435b5f4866503b85f76716fb071778f8

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/AndroidManifest.xml
	packages/SystemUI/res/values/colors.xml
	packages/SystemUI/res/values/config.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java