Quicksettings: add Reboot tile

  onClick reboots, onLongClick opens powermenu

Conflicts:
	packages/SystemUI/AndroidManifest.xml
	packages/SystemUI/res/values/strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java
Quicksettings: add Screenshot tile

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java