QtIFW

Implement dedicated translation settings support.

Change-Id: I41dd23f01e9b511c217fee7f736d9187b8a8623a
Reviewed-by: Niels Weber <niels.weber@digia.com>
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
Reviewed-by: Kai Koehne <kai.koehne@digia.com>