caffa-sst - enhanced version of CAFFA CFD code.

caffa-sst is a computational fluid dynamic code. It is an enhacement of CAFFA code. CAFFA (abbreviation for Computer Aideed Fluid-Flow Analysis) is a well-known CFD code that followed Ferziger&Peric book on Computational Fluid Dynamics. Menter's k-omega SST (short for Shear Stress Transport) model is probably the dearest turbulence model in aerodynamics community. It is a blend of k-omega and k-epsilon model. It's popularity is not diminishing since it's being used in new RANS/LES hybrid models like DES (Detached Eddy Simulation) too. My wish was to made available to wider community a simple implementation of this model. The purpose of the whole project is to make a simple platform for experimenting with advanced ideas in finite volume methods and turbulence modeling.