Renamed the codebase to RippingCluster

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

lib/RippingCluster/Utility/ClassFilesIterator.class.php

@@ -0,0 +1,9 @@
+<?php
+
+class RippingCluster_Utility_ClassFilesIterator extends FilterIterator {
+    public function accept() {
+        return preg_match('/.class.php$/i', $this->current()->getFilename());
+    }
+}
+
+?>

lib/RippingCluster/Utility/DvdDirectoryIterator.class.php

@@ -0,0 +1,9 @@
+<?php
+
+class RippingCluster_Utility_DvdDirectoryIterator extends FilterIterator {
+    public function accept() {
+        return is_dir($this->current()->getPathname() . DIRECTORY_SEPARATOR . 'VIDEO_TS');
+    }
+}
+
+?>

lib/RippingCluster/Utility/VisibleFilesIterator.class.php

@@ -0,0 +1,9 @@
+<?php
+
+class RippingCluster_Utility_VisibleFilesIterator extends FilterIterator {
+    public function accept() {
+        return !(substr($this->current()->getFilename(), 0, 1) == '.');
+    }
+}
+
+?>