Added CatN and Subvec
Added Subvec() method to Slice
Forgot to regenerate zvec
Added original Lapack CGo code
Added ColMajor and RowMajor types
Added simple solve functionality
Added simple lapack test

Renamed SolveVec to Solve.
Fixed bug in mat.Randn.
Added examples and simple in-place test

Changed vec.Fprint to vec.Fprintf.
Added vec.Sprintf.
Added full-rank, square and general solvers

Lapack functions only take column-major matrices
Renamed SubContiguous interface to SemiContiguous.
Renamed SubContiguous struct to ContiguousSubmat.