Windows: Respect geometry set before native window creation

Task-number: QTBUG-31071
Change-Id: Idab21c5996d1dc31b0a6fab4960c3c48a50d4966
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
iOS: take orientation into account when reporting touch positions

This implementation will look at the orientation of the main
screen to convert the touch coordinates. This will most
likely change in future work, where we might look at a views view
controller instead to decide orientation etc.

Change-Id: Ic7875c5ecc4f21538f82a4f0467350bdf8ecc0b0
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
Avoid double-highdpi scaling for attached painters.

updateMatrix will us both redirection matrix and highdpi
scale matrix, so make sure we don't multiply it in twice.

Change-Id: I7394e504746a8de54b4dc79492264deba320538f
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@digia.com>