Settings: Forward port Expanded desktop capability

Originally authored by Jesús David and ported from
        ParanoidAndroid ICS branch

Change-Id: Iad1be66f48db2fe022a87822a092d6606c2a6477

Conflicts:
	res/values/config.xml

 Changes to be committed:
	modified:   res/values/config.xml
	modified:   res/values/strings.xml
	modified:   res/xml/power_menu_settings.xml
	modified:   src/com/android/settings/cyanogenmod/PowerMenu.java