Settings: Update italian translation

Change-Id: I0de7aa4186ff3cca0ce4dcfcf601612a4d82b462
proximity sensor tweak: add 25 setting
Settings: port notification drawer style settings from Slim (1/2)
Merge "Settings: Update italian translation" into cm-10.1
Settings: port Status Bar transparency and color from Slim (2/2)
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1