hdf5

Merging in latest from upstream (HDFFV/hdf5:refs/heads/develop)

* commit 'ca34de56cd336f58c4bcf4ac9e1460f898fba3c9':
  Add OAPL parameter to H5Rcreate_ APIs
  Fix failing test and retain semantics for chunk cache properties in non-chunked datasets
  Add two missing calls to H5I_dec_ref for new dapl_id
  Community-proposed fix