hdf5_ep

Merge pull request #2270 in HDFFV/hdf5 from ~BYRN/hdf5_adb:develop to develop

* commit 'f73103745e9b9165e9d399ddb5b9991d7fb2a9e5':
  HDFFV-11001 fix if block
  HDFFV-11001 need to qualify all by parallel or serial types
  HDDFV-11001 add note
  HDFFV-11001 Add fine control over testing
  Adjust regex for warnings
  Update tools hid_t declarations with H5I_INVALID_HID