Refactoring ArrayAssignment, VectorAssignment and TypeTraits

src/TNL/Containers/Algorithms/ArrayAssignment.h

src/TNL/Containers/Algorithms/VectorAssignment.h

src/TNL/Containers/Array.h

src/TNL/Containers/Array.hpp

src/TNL/Containers/ArrayView.h

src/TNL/Containers/ArrayView.hpp

...L/Containers/Expressions/DistributedExpressionTemplates.h

src/TNL/Containers/Expressions/ExpressionTemplates.h

src/TNL/Containers/Expressions/ExpressionVariableType.h

src/TNL/Containers/Expressions/StaticExpressionTemplates.h

src/TNL/Containers/Expressions/TypeTraits.h

src/TNL/Containers/Vector.h

src/TNL/Containers/Vector.hpp

src/TNL/Containers/VectorView.h

src/TNL/Containers/VectorView.hpp

src/TNL/TypeTraits.h

src/UnitTests/Containers/StaticVectorTest.cpp

src/UnitTests/Containers/VectorTest-1.h