move more classes inside octave namespace * ov-complex.cc, quit.h, lo-array-errwarn.h, lo-array-errwarn.cc, lo-array-gripes.cc: Move classes inside octave namespace. * NEWS, file-editor-tab.cc, Cell.cc, __qp__.cc, cellfun.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, error.cc, error.h, errwarn.cc, errwarn.h, file-io.cc, gcd.cc, graphics.cc, graphics.in.h, gripes.cc, gripes.h, input.cc, interpreter.cc, interpreter.h, inv.cc, jit-typeinfo.cc, load-path.cc, ls-mat-ascii.cc, ls-mat5.cc, lsode.cc, mex.cc, oct-handle.h, oct-map.cc, oct-stream.cc, quad.cc, rand.cc, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, sub2ind.cc, toplev.cc, utils.cc, variables.cc, xdiv.cc, xpow.cc, __eigs__.cc, __init_gnuplot__.cc, ov-base-diag.cc, ov-base-mat.cc, ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-class.cc, ov-classdef.cc, ov-complex.h, ov-complex.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-float.cc, ov-float.h, ov-flt-complex.h, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-java.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc, ov.cc, op-cs-cs.cc, op-fcs-fcs.cc, op-fs-fs.cc, op-int.h, op-s-s.cc, ops.h, oct-parse.in.yy, pt-assign.cc, pt-eval.cc, pt-idx.cc, pt.cc, Array-util.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MDiagArray2.cc, MSparse.cc, PermMatrix.cc, Range.cc, Sparse.cc, dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, quit.cc, quit.h, gepbalance.cc, Sparse-diag-op-defs.h, Sparse-op-defs.h, Sparse-perm-op-defs.h, mx-inlines.cc, mx-op-defs.h, cmd-edit.cc, lo-array-errwarn.cc, lo-array-errwarn.h, lo-array-gripes.cc, lo-array-gripes.h, oct-binmap.h: Update to use namespace.

--- a/libinterp/corefcn/sparse-xdiv.cc	Wed Aug 17 02:57:50 2016 -0400
+++ b/libinterp/corefcn/sparse-xdiv.cc	Wed Aug 17 03:41:42 2016 -0400
@@ -44,7 +44,7 @@
 static void
 solve_singularity_warning (double rcond)
 {
-  warn_singular_matrix (rcond);
+  octave::warn_singular_matrix (rcond);
 }
 
 template <typename T1, typename T2>
@@ -59,7 +59,7 @@
       octave_idx_type a_nc = a.cols ();
       octave_idx_type b_nc = b.cols ();
 
-      err_nonconformant ("operator \\", a_nr, a_nc, b_nr, b_nc);
+      octave::err_nonconformant ("operator \\", a_nr, a_nc, b_nr, b_nc);
     }
 
   return true;
@@ -93,7 +93,7 @@
       octave_idx_type a_nr = a.rows ();
       octave_idx_type b_nr = b.rows ();
 
-      err_nonconformant ("operator /", a_nr, a_nc, b_nr, b_nc);
+      octave::err_nonconformant ("operator /", a_nr, a_nc, b_nr, b_nc);
     }
 
   return true;