Renamed the codebase to RippingCluster

Since the new design is engine agnostic, removed HandBrake from the
class names.

lib/RippingCluster/BackgroundTask.class.php

@@ -0,0 +1,17 @@
+<?php
+
+class RippingCluster_BackgroundTask {
+
+    protected function __construct() {
+        
+    }
+
+    public function run($command) {
+        $pipes = array();
+        $pid = proc_open($command . ' &', array(), $pipes);
+        proc_close($pid);
+    }
+    
+};
+
+?>