Commits
Merging in latest from upstream (HDFFV/hdf5:refs/heads/develop) * commit '31616380d107e8f4e4084084984a80871c17528b': Introduce new H5VL _by_value routines
Merging in latest from upstream (HDFFV/hdf5:refs/heads/develop) * commit '31616380d107e8f4e4084084984a80871c17528b': Introduce new H5VL _by_value routines