Add reboot menu

[GoogleCodeExporter]

Since the next step after unlocking the bootloader is usually to reboot into 
the bootloader, provide a reboot option, with the usual choices:

* System
* Bootloader
* Recovery
* Shutdown

Make calls to "su" to do this, after cleaning up.

Original issue reported on code.google.com by jmason...@gmail.com on 23 Jun 2012 at 9:32

[GoogleCodeExporter]

Original comment by jmason...@gmail.com on 23 Jun 2012 at 7:28

• Added labels: Component-UI

[GoogleCodeExporter]

Original comment by jmason...@gmail.com on 16 Jul 2012 at 8:19

• Added labels: Priority-Medium
• Removed labels: Priority-Low

[GoogleCodeExporter]

Original comment by jmason...@gmail.com on 9 Jan 2015 at 11:21

• Added labels: Usability