hdf5_chunking_query_bmr

Merge pull request #361 in HDFFV/hdf5 from merge_h5clear_revert to develop

* commit '46c9ab600de491657520897322b75659c3bdfb5f':
  Minor style cleanups
  Revert "Switch h5clear for cache images to use existing H5Pget_cache_image_config()"