Improving timers, adding CPU cycles.

src/core/CMakeLists.txt

src/core/terminal-colors.h

src/core/tnlHost.cpp

src/core/tnlHost.h

src/core/tnlOmp.cpp

src/core/tnlOmp.h

src/core/vectors/tnlVectorOperationsHost_impl.h

src/matrices/tnlCSRMatrix_impl.h

src/matrices/tnlDenseMatrix_impl.h

src/matrices/tnlEllpackMatrix_impl.h

src/matrices/tnlMultidiagonalMatrix_impl.h

src/matrices/tnlSlicedEllpackMatrix_impl.h

src/matrices/tnlTridiagonalMatrix_impl.h

src/solvers/cfd/navier-stokes/tnlNavierStokesSolver_impl.h

src/solvers/ode/tnlEulerSolver_impl.h

src/solvers/ode/tnlMersonSolver_impl.h

src/solvers/pde/tnlExplicitTimeStepper.h

src/solvers/pde/tnlExplicitTimeStepper_impl.h

src/solvers/pde/tnlPDESolver.h

src/solvers/pde/tnlPDESolver_impl.h