changed Tools/set_data() to now write scalars when pores/throats='all' and data=scalar, otherwise it broadcast's the scalar to the the specified locations.
changed Tools/set_data() to now write scalars when pores/throats='all' and data=scalar, otherwise it broadcast's the scalar to the the specified locations.


Former-commit-id: b83b6919d93a13ec8db8e2af27d0c623a58002f6
Former-commit-id: 12d059e6d23682e4748b92a27a7bc458b030ad0a
stadelmanma/OpenPNM,PMEAL/OpenPNM,amdouglas/OpenPNM,TomTranter/OpenPNM,amdouglas/OpenPNM