Copy native python module to Wrapping directory

On Windows the libraries are produced in different configuration
directories. The setup.py is not supporting remapping these
directories. So the Python Native library is being copied into the
Wrapping directory for testing,installation and packaging as a post
build step.

Change-Id: I8a5915d57dfc313ae0bcf01c405be2830c7db2ac
Merge topic 'SIMPLEITK-506_Refactorsetup.pyForWheels' into next

dfb514d1 Copy native python module to Wrapping directory