Linear algebra package first steps.

Data structure for matrix storage, matrix blocks and matrix strides.
Note: no genericity for the type of elements yet.
Create BLAS level 1 package
Create BLAS level 2 package
Create BLAS level 3 package

Interface for GEMM and a naive implementation of it.
Simple minded working area to replace passing WORK arguments in LAPACK
LAPACK-style numerical properties of double precision floats.
Safe computation of vector Euclidean norm.
Elementary Reflector
Hessenberg decomposition: non-blocking version
Ignore Sublime Text project files
Change name "linearAlgebra" to "matrix"