Adding tnlTimer.

CMakeLists.txt

src/core/tnlTimer.cpp

src/core/tnlTimer.h

src/mesh/grids/tnlGridTraverser.h

src/mesh/grids/tnlGridTraverser_impl.h

src/solvers/ode/tnlEulerSolver.h

src/solvers/ode/tnlEulerSolver_impl.h

src/solvers/tnlIterativeSolver_impl.h

src/solvers/tnlSolverConfig_impl.h

tests/benchmarks/tnl-benchmark-simple-heat-equation.h

tools/tnl-compile.in