Commits
Merging in latest from upstream (HDFFV/hdf5:refs/heads/hdf5_1_8_20) * commit '1077afd5c419b144093ad2ef6288674d1be995fa': HDFFV-10321 Merge from 1.8
Merging in latest from upstream (HDFFV/hdf5:refs/heads/hdf5_1_8_20) * commit '1077afd5c419b144093ad2ef6288674d1be995fa': HDFFV-10321 Merge from 1.8