move some new numeric classes to namespace octave::math * aepbalance.cc, aepbalance.h, chol.cc, chol.h, gepbalance.cc, gepbalance.h, hess.cc, hess.h, lu.cc, lu.h, qr.cc, qr.h, qrp.cc, qrp.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-dmsolve.cc,sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h: Move classes to namespace octave::math. * __luinc__.cc, __qp__.cc, balance.cc, hess.cc, lu.cc, qz.cc, schur.cc, sqrtm.cc, svd.cc, chol.cc, dmperm.cc, qr.cc, lex.h, CMatrix.cc, CSparse.cc, dMatrix.cc, dSparse.cc, fCMatrix.cc, fMatrix.cc, eigs-base.cc, oct-norm.cc: Update for new namespaces.

--- a/liboctave/numeric/aepbalance.cc	Tue Aug 16 20:43:59 2016 +0200
+++ b/liboctave/numeric/aepbalance.cc	Tue Aug 16 15:48:22 2016 -0400
@@ -115,6 +115,11 @@
   return noperm ? (noscal ? 'N' : 'S') : (noscal ? 'P' : 'B');
 }
 
+namespace octave
+{
+namespace math
+{
+
 template <>
 aepbalance<Matrix>::aepbalance (const Matrix& a, bool noperm, bool noscal)
   : balanced_mat (a), scale (), ilo (), ihi (), job (get_job (noperm, noscal))
@@ -295,3 +300,6 @@
 template class aepbalance<ComplexMatrix>;
 
 template class aepbalance<FloatComplexMatrix>;
+
+}
+}