reversed changes that broke the wrapper without ExternalMedia, please use the new branch for further development

Changes of CoolProp for Modelica for better compatibility with ExternalMedia

Signed-off-by: Ian Bell <ian.h.bell@gmail.com> (reverse-merged from commit 57d0c9f94e2a23249730e4e9cb0c169f30b0d630)
Merge branch 'refs/heads/master' into NoExternalMedia
Merge branch 'refs/heads/master' into NoExternalMedia
Merge remote-tracking branch 'refs/remotes/origin/master' into NoExternalMedia
Reintroduced extended two-phase properties, fixes many issues with transport properties and saturation states. In particular, this commit closes #25 again and it also fixes TTSE and closes #158.
Merge remote-tracking branch 'refs/remotes/origin/master' into NoExternalMedia
Added bicubic interpolation to modelica wrapper with enable_BICUBIC
Merge branch 'refs/heads/master' into NoExternalMedia
Merge branch 'refs/heads/NoExternalMedia'