Unit Tests

- Added specific calendar colors to the rc file used in cal.t, so that
  the colors in the tests (which are in the old theme) match the new
  default theme.

src/tests/cal.t

@@ -38,6 +38,10 @@ if (open my $fh, '>', 'cal.rc')
   print $fh "data.location=.\n",
             "dateformat=YMD\n",
             "color=on\n",
+            "color.calendar.today=black on cyan\n",
+            "color.calendar.due=black on green\n",
+            "color.calendar.weeknumber=black on white\n",
+            "color.calendar.overdue=black on red\n",
             "confirmation=no\n";
   close $fh;
   ok (-r 'cal.rc', 'Created cal.rc');