CO2-model:
Sampled a more dense table for vp and rho in the interval temperature 1 to 100 C and pressure 0.1 to 100 MPa. For  temperatures > 100 C || pressures > 100 MPa we use the old table.

CRA-570
Merge branch 'master' of https://github.com/CRAVA/crava

Conflicts:
	crava.vcxproj.filters
Merge pull request #66 from fjellvoll/master

CRA-570 Better CO2 interpolation