FindHDF5 MPI fix, hdf5version()
remove ierr optional from %open() as with other methods
FindHDF5: scope FindMPI correctly, fixes false MPI-HDF5 link fail
Add hdf5version() query function
remove ierr optional from %open() as with other methods
FindHDF5: scope FindMPI correctly, fixes false MPI-HDF5 link fail
Add hdf5version() query function