SystemUI: Update italian translation

	Add missing strings in quick settings section
	Add strings for navbar customization

Change-Id: Iac8f668830e415d6011bb380e8b1082e5ca9cf0a
Update Russian Translation-SystemUI-CM10.1
Merge "Update Russian Translation-SystemUI-CM10.1" into cm-10.1
Merge "SystemUI: Update italian translation" into cm-10.1
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1