Updates ptvsd setup.py for release.
Updates ptvsd setup.py for release.

huguesv/PTVS,huguesv/PTVS,zooba/PTVS,Microsoft/PTVS,int19h/PTVS,zooba/PTVS,int19h/PTVS,huguesv/PTVS,zooba/PTVS,huguesv/PTVS,zooba/PTVS,Microsoft/PTVS,int19h/PTVS,zooba/PTVS,huguesv/PTVS,Microsoft/PTVS,Microsoft/PTVS,int19h/PTVS,Microsoft/PTVS,int19h/PTVS,Microsoft/PTVS,int19h/PTVS,zooba/PTVS,huguesv/PTVS