Finishing the heat equation.

examples/heat-equation/CMakeLists.txt

examples/heat-equation/Makefile

examples/heat-equation/heatEquationSolver.h

examples/heat-equation/run-init-mesh

examples/heat-equation/tnl-heat-equation-eoc.h

examples/heat-equation/tnl-heat-equation.h

src/CMakeLists.txt

src/core/vectors/tnlSharedVector.h

src/core/vectors/tnlVector.h

src/functions/CMakeLists.txt

src/functions/tnlConstantFunction.h

src/functions/tnlExpBumpFunction.h

src/functions/tnlFunctionAdapter.h

src/functions/tnlFunctionType.h

src/functions/tnlSinBumpsFunction.h

src/functions/tnlSinWaveFunction.h

src/implementation/matrices/tnlMatrixSetter_impl.h

src/implementation/mesh/CMakeLists.txt

src/implementation/mesh/tnlTraverser_Grid1D_impl.h

src/implementation/mesh/tnlTraverser_Grid2D_impl.h