Manual test for window transparency

Change-Id: I8b9fdd14382904b5a0c2a1ecaabf01b209034b95
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Update manualtests license to say "part of test suite".

Change-Id: Ice9498c65a20ff17e68303578f8a1d9d6877f501
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>