Settings: update Italian translation

Was "LockClock: add Italian translation (2 of 2)"

Change-Id: I8a457886a1cdeb2eed36c32fc21f876a643620a5
Japanese: update Japanese translation.

 - Add missing translation entries.
 - Revised some entries.

Change-Id: Ifab01392d64afe649905276585a9d2df796c3f01
Add Quick Settings USB Tether tile (1 of 2)

Patch Set 3: Hide the tile if USB Tethering is not supported
Patch Set 4: Make tile dynamic

Change-Id: I43fec8c3264b89b647f1626b8d29e459e78672ab
Merge "Japanese: update Japanese translation." into cm-10.1
Merge "Settings: update Italian translation" into cm-10.1
Merge "Add Quick Settings USB Tether tile (1 of 2)" into cm-10.1
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1