LA: Support for pointwise .*, ./ and .% operators where supported (F# for now)
LA: Collect matrix operators in separate file
LA: Collect vector operators in separate file
Portable: SpecialName attribute backport
LA: Collect vector arithmetics in separate file

Conflicts:
	src/Numerics/LinearAlgebra/Generic/Vector.cs
LA: Add a scalar to a matrix
LA: Subtract a scalar from a matrix, and a matrix from a scalar