Job details page shows the job id, fixed bug

Job details page now shows the id number for the current job, reading it
from the URL using the RequestParser
Fixed a bug where if no query string was provided (index.php was
accessed directly) then a blank pagename was used (instead of 'home') and an
exception was thrown.

HandBrakeCluster/Job.class.php

@@ -4,8 +4,8 @@ class HandBrakeCluster_Job {
 
     private $id;
 
-    public function __construct() {
-        $this->id = 42;
+    public function __construct($id) {
+        $this->id = $id;
     }
 
     public function id() {