Update Applcation.pm - Add runmode, subsequent fix

Edit to commit, ensure output of no_runmodes outputs valud HTML, as per:

#16

lib/CGI/Application.pm

@@ -383,19 +383,22 @@ sub no_runmodes {
 
 	my $self   = shift;
 	my $query  = $self->query();
+	my $output = $query->start_html;
 
 	# If no runmodes specified by app return error message 
 	my $current_runmode = $self->get_current_runmode();
 	my $query_params = $query->Dump;
 
-	my $output = qq{
+	$output .= qq{
 		<h2>Error - No runmodes specified.</h2>
 		<p>Runmode called: $current_runmode"</p>
 		<p>Query paramaters:</p> $query_params
 		<p>Your application has not specified any runmodes.</p>
 		<p>Please read the <a href="http://search.cpan.org/~markstos/CGI-Appli
 		cation/">CGI::Application</a> documentation.</p>
 	};
+
+	$output .= $query->end_html();
 	return $output;
 }