Merge branch 'develop' into mpi

CMakeLists.txt

build

src/Benchmarks/BLAS/vector-operations.h

...nchmarks/HeatEquation/HeatEquationBenchmarkProblem_impl.h

...rks/HeatEquation/tnl-benchmark-simple-heat-equation-bug.h

...chmarks/HeatEquation/tnl-benchmark-simple-heat-equation.h

src/Benchmarks/SpMV/tnl-benchmark-spmv.h

src/Benchmarks/SpMV/tnlCusparseCSRMatrix.h

src/Python/pytnl/tnl/SparseMatrix.h

src/TNL/CMakeLists.txt

src/TNL/Communicators/MpiCommunicator.h

src/TNL/Communicators/NoDistrCommunicator.h

src/TNL/Containers/Algorithms/ArrayOperations.h

src/TNL/Containers/Algorithms/ArrayOperationsCuda_impl.h

src/TNL/Containers/Algorithms/ArrayOperationsHost_impl.h

src/TNL/Containers/Algorithms/ArrayOperationsMIC_impl.h

src/TNL/Containers/Algorithms/Multireduction.h

src/TNL/Containers/Algorithms/Multireduction_impl.h

src/TNL/Containers/Algorithms/Reduction.h

src/TNL/Containers/Algorithms/ReductionOperations.h