* Improved the navigation bar: don't include all projects (since that

doesn't scale), and include links for jobset/job specific pages.
  The main page now lists the projects.
* Overview pages for jobsets and jobs.
* Links to the channels.
* Jobsets are now defined and edited in a separate action.

src/lib/Hydra/Helper/CatalystUtils.pm

@@ -9,7 +9,7 @@ our @ISA = qw(Exporter);
 our @EXPORT = qw(
     getBuild getBuildStats getLatestBuilds getChannelData
     error notFound
-    requireLogin requireProjectOwner requireAdmin
+    requireLogin requireProjectOwner requireAdmin requirePost
     trim
     $pathCompRE $relPathRE
 );
@@ -126,6 +126,12 @@ sub requireAdmin {
 }
 
 
+sub requirePost {
+    my ($c) = @_;
+    error($c, "Request must be POSTed.") if $c->request->method ne "POST";
+}
+
+
 sub trim {
     my $s = shift;
     $s =~ s/^\s+|\s+$//g;