Implement CyanogenMod tiles (1/2)

All the credits to CM team, of course

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/res/layout/quick_settings.xml
	packages/SystemUI/res/layout/quick_settings_tile_airplane.xml
	packages/SystemUI/res/layout/quick_settings_tile_bluetooth.xml
	packages/SystemUI/res/layout/quick_settings_tile_location.xml
	packages/SystemUI/res/layout/quick_settings_tile_rotation_lock.xml
	packages/SystemUI/res/layout/quick_settings_tile_wifi.xml
	packages/SystemUI/res/values-es/strings.xml
	packages/SystemUI/res/values/strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsModel.java