configure vtk with external hdf5 and netcdf packages (#3504)
configure vtk with external hdf5 and netcdf packages (#3504)

* configure vtk with external hdf5 and netcdf packages

* remove ~mpi constraints from hdf5 and netcdf

TheTimmy/spack,krafczyk/spack,tmerrick1/spack,TheTimmy/spack,skosukhin/spack,matthiasdiener/spack,krafczyk/spack,tmerrick1/spack,EmreAtes/spack,krafczyk/spack,mfherbst/spack,LLNL/spack,lgarren/spack,iulian787/spack,EmreAtes/spack,LLNL/spack,mfherbst/spack,LLNL/spack,krafczyk/spack,tmerrick1/spack,iulian787/spack,lgarren/spack,skosukhin/spack,iulian787/spack,lgarren/spack,skosukhin/spack,EmreAtes/spack,TheTimmy/spack,krafczyk/spack,matthiasdiener/spack,TheTimmy/spack,matthiasdiener/spack,EmreAtes/spack,matthiasdiener/spack,mfherbst/spack,TheTimmy/spack,matthiasdiener/spack,LLNL/spack,lgarren/spack,LLNL/spack,lgarren/spack,tmerrick1/spack,tmerrick1/spack,mfherbst/spack,mfherbst/spack,skosukhin/spack,EmreAtes/spack,iulian787/spack,iulian787/spack,skosukhin/spack