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
Merge "Japanese: update Japanese translation." into cm-10.1
Merge "Settings: update Italian translation" into cm-10.1
Merge remote branch 'cm/cm-10.1'