3D View Widget removed.
OptiTrack System optimized: The application distinguish now right and
left hand. Each hand has an unique name (RightHand, LeftHand). If one of
them gets tracked the software calculates the radius for the specific
hand.
The circle calculation is know based on thumb and the second nearest
fingers to him.
Some Bug fixed:
TakeDialog now loads every take (before the first take got lost
everytime when take list was loaded)

Paint2DWidget:
Shows now the current radius of hand related to the current take ball
size.