Merge branch 'develop' into periodic-bc

.gitlab-ci.yml

CMakeLists.txt

build

src/CMakeLists.txt

src/TNL/Communicators/MpiCommunicator.h

src/TNL/Containers/Multimaps/MultimapPermutationApplier.h

src/TNL/CudaStreamPool.h

src/TNL/Functions/MeshFunction_impl.h

src/TNL/Functions/TestFunction_impl.h

src/TNL/Matrices/Dense.h

src/TNL/Matrices/Dense_impl.h

src/TNL/Matrices/Matrix.h

src/TNL/Matrices/Matrix_impl.h

src/TNL/Matrices/Sparse_impl.h

src/TNL/Meshes/GridDetails/Traverser_Grid1D.h

src/TNL/Meshes/GridDetails/Traverser_Grid2D.h

src/TNL/Meshes/GridDetails/Traverser_Grid2D_impl.h

src/TNL/Meshes/GridDetails/Traverser_Grid3D.h

src/TNL/Meshes/GridDetails/Traverser_Grid3D_impl.h

src/TNL/Meshes/MeshDetails/EntityStorageRebinder.h