Renamed the codebase to RippingCluster

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

lib/RippingCluster/Worker/IPlugin.class.php

@@ -0,0 +1,16 @@
+<?php
+
+interface RippingCluster_Worker_IPlugin {
+    
+    public static function workerFunctions();
+
+    public static function rip(GearmanJob $job);
+    
+    public function evaluateOption($name, $option = null);
+    
+    public function callbackStdout($id, $data);
+    
+    public function callbackStderr($id, $data);
+}
+
+?>