Added info dictionaries to VTK file.
Added info dictionaries to VTK file.

throat_info and throat_data have been added too, but since the
coordinates for them have not been defined, the visual results of them
may not be correct.


Former-commit-id: de67df557e3266af3ca52fb2b054b45febb7d3b4
Former-commit-id: a2d9976ef56c3d0174ffd7fe7668e415fe8c95df
amdouglas/OpenPNM,TomTranter/OpenPNM,PMEAL/OpenPNM,stadelmanma/OpenPNM,amdouglas/OpenPNM