hdf5

Merge pull request #831 in HDFFV/hdf5 from ~BYRN/hdf5_adb:hdf5_1_8 to hdf5_1_8

* commit 'ef2ac0784508083ac057586feb6ad9bbdd98e5bd':
  Update link target commands
  Skip test if 1.6 API enabled
  Reworked MPI includes to be used as default with parallel
  Update with latest from CMake master
  HDFFV-10307 Add HDtupper() call for Windows drive
  H5detect and make_libsettings need the include folder
  Test increase of version