refactoring solver_cese.py: capitalize rho, u and p in both two sides
refactoring solver_cese.py: capitalize rho, u and p in both two sides

yungyuc/solvcon,solvcon/solvcon,yungyuc/solvcon,yungyuc/solvcon,solvcon/solvcon,solvcon/solvcon,yungyuc/solvcon,yungyuc/solvcon,solvcon/solvcon,yungyuc/solvcon,solvcon/solvcon,solvcon/solvcon