These changes make it unnecessary to copy header files around during
the build process, which tends to confuse IDEs and debuggers. The
headers which comprise Cantera's external C++ interface are now in
the 'include' directory.
All of the samples and demos are now in the 'samples' subdirectory.
The Object is called RedlichKwongMFTP, and it implements a multicomponent real gas approximation.
Most of the functionality has been verified against sample problems involving the CO2-H2O system.
