Merging in latest from upstream (HDFFV/hdf5:refs/heads/develop)
* commit '9fc2b3ef8e7933da716e2d2f832e93d8fc8023c0':
add linking flag to cmake, does not fix the issue, still disabled shared with fortran
add documention comments for shared Fortran Fix on OSX
Fix for shared fortran libraries on mac (HDFFV-2772).
Fix for shared fortran libraries on mac (HDFFV-2772).
Fix for shared fortran libraries on mac (HDFFV-2772).
