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>