Commits
Merging in latest from upstream (HDFFV/hdf5:refs/heads/hdf5_1_8) * commit '9da5bbcc9bae79f91788e72bace53ed2323e887f': H5repack bug fixes from develop
Merging in latest from upstream (HDFFV/hdf5:refs/heads/hdf5_1_8) * commit '9da5bbcc9bae79f91788e72bace53ed2323e887f': H5repack bug fixes from develop