test: Add bug ids (<#####>) to BIST tests. * bsxfun.cc, cellfun.cc, conv2.cc, data.cc, ellipj.cc, error.cc, file-io.cc, graphics.cc, hash.cc, mappers.cc, max.cc, rand.cc, regexp.cc, symtab.cc, chol.cc, gzip.cc, symbfact.cc, ov-cx-diag.cc, ov-fcn-handle.cc, ov-java.cc, Sparse.cc, accumarray.m, bitset.m, fieldnames.m, inputParser.m, interp2.m, interpft.m, num2str.m, postpad.m, prepad.m, rat.m, rectint.m, image.m, imread.m, imwrite.m, importdata.m, strread.m, textread.m, orderfields.m, qp.m, axis.m, legend.m, hist.m, residue.m, setdiff.m, fftshift.m, ifftshift.m, nthroot.m, magic.m, median.m, quantile.m, base2dec.m, strsplit.m, datestr.m, datevec.m: test: Add bug ids (<#####>) to BIST tests.

--- a/libinterp/corefcn/ellipj.cc	Wed Sep 14 13:19:47 2016 -0700
+++ b/libinterp/corefcn/ellipj.cc	Wed Sep 14 16:05:16 2016 -0700
@@ -816,8 +816,8 @@
 %! assert (cn, C, 8*eps);
 %! assert (dn, D, 8*eps);
 
-%!test
-%! ## Test continuity of dn when cn is near zero (bug #43344)
+%!test <43344>
+%! ## Test continuity of dn when cn is near zero
 %! m = 0.5;
 %! u = ellipke (0.5);
 %! x = [-1e-3, -1e-12, 0, 1e-12, 1e-3];