Commits
Merging in latest from upstream (HDFFV/hdf5:refs/heads/hdf5_1_8) * commit '4e69cd6770e666c1f7ae734951fc677427dc499d': Snapshot version 1.8 release 22 (snap0)
Merging in latest from upstream (HDFFV/hdf5:refs/heads/hdf5_1_8) * commit '4e69cd6770e666c1f7ae734951fc677427dc499d': Snapshot version 1.8 release 22 (snap0)