Moved ArrayOperations from Containers to Containers::Algorithms namespace

src/TNL/Containers/Algorithms/ArrayOperations.h

src/TNL/Containers/Algorithms/ArrayOperationsCuda_impl.h

src/TNL/Containers/Algorithms/ArrayOperationsHost_impl.h

src/TNL/Containers/Algorithms/CMakeLists.txt

src/TNL/Containers/Algorithms/Multireduction_impl.h

src/TNL/Containers/Algorithms/Reduction_impl.h

...emplateExplicitInstantiation/ArrayOperationsCuda_impl.cpp

...TemplateExplicitInstantiation/ArrayOperationsCuda_impl.cu

...emplateExplicitInstantiation/ArrayOperationsHost_impl.cpp

...TemplateExplicitInstantiation/ArrayOperationsHost_impl.cu

...s/Algorithms/TemplateExplicitInstantiation/CMakeLists.txt

src/TNL/Containers/Array_impl.h

src/TNL/Containers/CMakeLists.txt

src/TNL/Containers/ConstSharedArray_impl.h

src/TNL/Containers/SharedArray_impl.h

src/TNL/Matrices/MatrixOperations.h

src/TNL/Solvers/Linear/CWYGMRES_impl.h

src/UnitTests/Containers/ArrayOperationsTest.h

src/UnitTests/Containers/VectorOperationsTest.h