Settings: Forward port Power menu options

Change-Id: I7dbe78e14647a79966758b75f42eb05f5429d56a

Conflicts:
	AndroidManifest.xml
	res/values/strings.xml
	res/xml/system_settings.xml

 Author:    DvTonder <david.vantonder@gmail.com>
 Changes to be committed:

	modified:   AndroidManifest.xml
	modified:   res/values/strings.xml
	new file:   res/xml/power_menu_settings.xml
	new file:   res/xml/system_settings.xml
	new file:   src/com/android/settings/cyanogenmod/PowerMenu.java