distributed_data_object can now process hdf5 dataset directly.

4 jobs for master in 17 minutes and 59 seconds
Status Job ID Name Coverage
  Test
passed #135009
test_minimal

00:02:49

passed #135010
test_mpi

00:17:56

passed #135011
test_mpi_fftw

00:17:30

passed #135012
test_mpi_fftw_hdf5

00:17:59