Settings: Add some more entries into 'SMS message limit' menu

Add None, 5 and 10 entries into 'SMS message limit' menu.

Change-Id: I8b206ae6c9f73378da65b09e68898de31439cc59
Quiet Hours: Allow disabling phone ringer (2/3)

Change-Id: Ica45cded1b70af36f9e0efdc5ec6911a138e0551