hdf5_ep

Merge pull request #325 in HDFFV/hdf5 from ~BYRN/hdf5_adb:hdf5_1_8 to hdf5_1_8

* commit '16621eeb9174ae69be31a619426ff6ad39600150':
  HDFFV-10128 fix test scripts with ref files
  HDFFV-10128 new files added
  HDFFV-10128 test reference files
  HDFFV-10128 merge from develop