hdf5

Merge pull request #973 in HDFFV/hdf5 from ~BMRIBLER/hdf5_bmr_cpp3:develop to develop

* commit '6fac268a7e1ee5b6d5314f40ac45630d9c67d873':
  Updated RELEASE.txt Description:     Wrappers for H5Tencode and H5Tdecode     No code change.
  Fixed HDFFV-10151 Description:     Added a document to the HDF5 C++ API Reference Manual to show the     mapping from a C API to C++ wrappers.