better use of templates for svd classes * liboctave/numeric/svd.h, liboctave/numeric/svd.cc: New files for svd classes generated from CmplxSVD.cc, CmplxSVD.h, dbleSVD.cc, dbleSVD.h, fCmplxSVD.cc, fCmplxSVD.h, floatSVD.cc, and floatSVD.h and converted to templates. * liboctave/numeric/module.mk: Update. * __qp__.cc, svd.cc, CMatrix.cc, CMatrix.h, dDiagMatrix.h, dMatrix.cc, dMatrix.h, fCMatrix.cc, fCMatrix.h, fDiagMatrix.h, fMatrix.cc, fMatrix.h, oct-norm.cc, mx-defs.h, mx-ext.h: Use new classes.

gnulib-hg = gnulib-hg