Settings: IT translations

Change-Id: I32bb67fdf37b5c957d98ff12e129d5eb9596bfa4
Settings: PT-BR translations

Change-Id: I27f6e6d48195bd2fa4420fa48bbf9a46f7d145c8
Move WhisperPush settings

The preferences screen changes based on registration state, so it is
easier to just launch an external activity here.

Change-Id: Ib06b689efe69e858ec27c9fa34688c6eaefdd818