Animation sample has been updated to:
- use reuse AIS_ViewController for general viewer manipulations;
- update animation using elapsed time;
- do not block camera manipilations;
- get rid of redundant controls.
Quantity_Factor, Quantity_Parameter, Quantity_Ratio, Quantity_Coefficient,
Quantity_PlaneAngle, Quantity_Length, V3d_Parameter and V3d_Coordinate
have been replaced by Standard_Real in visualization classes.
