hdf5_ep

Merge pull request #867 in HDFFV/hdf5 from ~BYRN/hdf5_adb:hdf5_1_8 to hdf5_1_8

* commit 'fe772268d9c8ae7ab5a54c74db6241920c69c253':
  Merge notes from develop
  Fix cmake typo
  HDFFV-10385 merge typo
  HDFFV-10392,10393,01385 merge from develop