hdf5

Merge pull request #91 in HDFFV/hdf5 from ~BYRN/hdf5_adb:hdf5_1_8 to hdf5_1_8

tests passing

* commit '2bec6afba7c290fea37c7f9be7ecc2cc6ac2dbc9':
  add assert
  HDFFV-9942: Update perform tool code to align with develop