updated run script to use new vtk class
updated run script to use new vtk class


Former-commit-id: ef9430bde9a1b895ec551e6c9d4a4612cfe6fffd
Former-commit-id: a111c3b72cc6a0ab3e0c037e260e4188b4191f51
PMEAL/OpenPNM,amdouglas/OpenPNM,stadelmanma/OpenPNM,TomTranter/OpenPNM,amdouglas/OpenPNM