hdf5-examples

Merge pull request #25 in HDFFV/hdf5-examples from ~BYRN/hdf5_examples_adb:master to master

* commit 'eb6e1ff9a7afd4631eec1eb747e51290680c5de4':
  CMake windows fix
  CMake fix
  CMake updates
  Cleanup variable names
  Remove obsoleted function
  Update to CMake version 3.10
  Update CMake mostly policy 54 fixes