hdf5_ep

Merging in latest from upstream (HDFFV/hdf5:refs/heads/hdf5_1_8)

* commit 'c83faa4905c24f4c74653e8f4d279c732204d2d0':
  Delete files inadvertently checked in with version changes following snapshot release. (Changed daily test command to add specific files for commit instead of all new and modified files.)
  Snapshot version 1.8 release 19 (snap1)