SystemUI: Update italian translation

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

Change-Id: Iac8f668830e415d6011bb380e8b1082e5ca9cf0a
Merge "SystemUI: Update italian translation" into cm-10.1
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1
Merge branch 'cm-10.1' of git://github.com/Team-Hydra/android_frameworks_base into cm-10.1