create setup.py
add setup routine, so vispa can be used as any other program.
(from redmine: issue id 1091, created on 2012-07-27 by gmueller, closed on 2013-12-18)
add setup routine, so vispa can be used as any other program.
(from redmine: issue id 1091, created on 2012-07-27 by gmueller, closed on 2013-12-18)