maint: Add semicolons to terminate code in %! blocks. * splineimages.m, Cell.cc, bsxfun.cc, cellfun.cc, conv2.cc, data.cc, debug.cc, file-io.cc, gcd.cc, getrusage.cc, graphics.cc, kron.cc, mappers.cc, oct-map.cc, ordschur.cc, psi.cc, rand.cc, variables.cc, __osmesa_print__.cc, amd.cc, audiodevinfo.cc, dmperm.cc, qr.cc, ov-bool-mat.cc, ov-class.cc, ov-fcn-handle.cc, ov-java.cc, oct-parse.in.yy, bicubic.m, delaunay3.m, accumarray.m, flip.m, fliplr.m, flipud.m, gradient.m, inputParser.m, interp1.m, narginchk.m, rot90.m, validateattributes.m, delaunay.m, delaunayn.m, griddata3.m, inpolygon.m, waitbar.m, gray2ind.m, hsv2rgb.m, im2double.m, image.m, imformats.m, imread.m, imshow.m, imwrite.m, ntsc2rgb.m, rgb2hsv.m, rgb2ntsc.m, isbanded.m, onenormest.m, edit.m, fullfile.m, license.m, ode23.m, ode45.m, glpk.m, annotation.m, legend.m, orient.m, text.m, area.m, barh.m, contour.m, line.m, plot.m, plot3.m, plotyy.m, quiver.m, stem.m, clf.m, copyobj.m, findobj.m, subplot.m, ppval.m, splinefit.m, ismember.m, freqz.m, unwrap.m, eigs.m, ichol.m, pcg.m, spdiags.m, svds.m, magic.m, lscov.m, median.m, ols.m, dec2base.m, strsplit.m, strtok.m, test.m, bug-31371.tst, bug-36025.tst, bug-44940.tst, build-sparse-tests.sh, class-concat.tst, classdef.tst, classes.tst, colormaps.tst, command.tst, ctor-vs-method.tst, error.tst, fcn-handle-derived-resolution.tst, for.tst, index.tst, io.tst, jit.tst, null-assign.tst, parser.tst, struct.tst, system.tst: Add semicolons to terminate code in %! blocks.

--- a/test/parser.tst	Fri Apr 01 14:56:52 2016 -0700
+++ b/test/parser.tst	Fri Apr 01 16:03:29 2016 -0700
@@ -90,18 +90,18 @@
 ## Level 11 (transpose and exponentiation)
 %!test
 %! a = 2;
-%! assert (2 ^a++, 4)
-%! assert (a, 3)
-%! assert (2 ^--a ^2, 16)
-%! assert (a, 2)
-%! assert (2 ^++a, 8)
-%! assert (a, 3)
-%! assert (a' ^2, 9)
-%! assert (2 ^sin(0), 1)
-%! assert (-2 ^2, -4);
-%! assert (2 ^+1 ^3, 8)
-%! assert (2 ^-1 ^3, 0.125)
-%! assert (2 ^~0 ^2, 4)
+%! assert (2 ^a++, 4);
+%! assert (a, 3);
+%! assert (2 ^--a ^2, 16);
+%! assert (a, 2);
+%! assert (2 ^++a, 8);
+%! assert (a, 3);
+%! assert (a' ^2, 9);
+%! assert (2 ^sin(0), 1);
+%! assert (-2 ^2, -4);;
+%! assert (2 ^+1 ^3, 8);
+%! assert (2 ^-1 ^3, 0.125);
+%! assert (2 ^~0 ^2, 4);
 %! assert (!0 ^0, false);
 %! assert (2*3 ^2, 18);
 %! assert (2+3 ^2, 11);
@@ -315,7 +315,7 @@
 %!test
 %! a = {1, @sin, 2, @cos};
 %! b = {1 @sin 2 @cos};
-%! assert (a, b)
+%! assert (a, b);
 
 ## Maybe unnecessary, but check that further changes to parser don't
 ## invalidate error handling (bug #46534).