Writed and tested the Navier-Stokes Fluxes and Equation.
Adding file for the Navier-Stokes flux
Renamed main.cpp to testing.cpp. This file should not be included in future compilations.
Finished performing tests on the new systems features: Flux and Equation classes, new dimension independant way of filling out a ScalarField with operator[].
Began re-writing FD1Solver for systems