Fixes and additions to Yashar's patch
http://gerrit.dirtyunicorns.com/#/c/7323/

- Removed some images / replaced some
- Removed unnecessary code
- Made things work off an array (nicer)
- Added reboot option (Credit to DvTonder)
- Moved longpress to safemode to reboot
- Enabled airplane mode / Added replacement icons for it

Change-Id: I76238d5f2d0a1a4fd54dcb73e5761e5821129281

Conflicts:
	core/res/res/values/strings.xml
	services/core/java/com/android/server/power/ShutdownThread.java