First cut at octave + Cmake.  Seems there is a problem with MSVC and octave now - used to work.

Signed-off-by: Ian bell <ian.h.bell@gmail.com>
Use cpversion.h instead of version.h to reduce name clashing in headers

Signed-off-by: Ian bell <ian.h.bell@gmail.com>
Merge branch 'master' of https://github.com/coolprop/coolprop