Commits
Merge pull request #741 in HDFFV/hdf5 from ~BYRN/hdf5_adb:hdf5_1_8_20 to hdf5_1_8_20 * commit '3a2b04a2c71f50b1bec7c1f637a975c5e3e3bf8c': Update H5Zfilter_avail note
Merge pull request #741 in HDFFV/hdf5 from ~BYRN/hdf5_adb:hdf5_1_8_20 to hdf5_1_8_20 * commit '3a2b04a2c71f50b1bec7c1f637a975c5e3e3bf8c': Update H5Zfilter_avail note