Fixed creation of src folder for GCC builds

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Merge branch 'master' of https://github.com/coolprop/coolprop
C# "works" on windows - "works" meaning that it compiles, but some parts don't yet work properly.  Example runs, but many failures

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
C# works on linux
Preliminary CMake for Java

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

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Java works on linux
Added surface tension for fluids covered in Mulero, JPCRD, 2014 (http://scitation.aip.org/content/aip/journal/jpcrd/43/2/10.1063/1.4878755)

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Implemented the viscosity correlation for n-Heptane of Assael, JPCRD, 2014 (http://scitation.aip.org/content/aip/journal/jpcrd/43/2/10.1063/1.4875930) and testing data

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Updated reference for Heptane

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
hashes.json file gets saved in the right place

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Small modifications to the conductivity of Heptane

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

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Added mass-based methods to python wrapper

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Added dependency on generate_headers to most of the wrappers
properly load and save the hashes in file
updated shared_ptr header for OSX; Now Java and C# compile on OSX
Merge branch 'master' of https://github.com/coolprop/coolprop