* Added a status page that shows all the currently executing build steps.

* Store the system type in the BuildSteps table.
* Don't query the queue size when serving static pages.  This prevents
  two unnecessary database queries per request.

src/lib/Hydra/Controller/Build.pm

@@ -35,7 +35,6 @@ sub view_build : Chained('build') PathPart('') Args(0) {
     my $build = $c->stash->{build};
     
     $c->stash->{template} = 'build.tt';
-    $c->stash->{curTime} = time;
     $c->stash->{available} = isValidPath $build->outpath;
     $c->stash->{drvAvailable} = isValidPath $build->drvpath;
     $c->stash->{flashMsg} = $c->flash->{buildMsg};