Settings: Wi-Fi country code

Change-Id: I8a078bde0ab40818784635477eb466510a1c230e
Settings: Statusbar clock and date customization

This commit add support for:

- Clock and date enable/disable
- Clock and date position
- AM/PM styles multilang support
- color
- Date format
- Date style

Thanks to Slimrom
Add back privacy guard manager.

Change-Id: Ic9fbbae137bb8425fe72a6cdb2f17117351b5709

Conflicts:

	AndroidManifest.xml
	proguard.flags
	res/values/mahdi_strings.xml