Enabled Fastbook/OAuth login

modules/oauth/classes/Auth.php

@@ -0,0 +1,27 @@
+<?php defined('SYSPATH') or die('No direct access allowed.');
+
+/**
+ * This class overrides Kohana's Auth so that we can call a specific
+ * Authentication driver.
+ *
+ * @package    OAuth
+ * @category   Modifications
+ * @author     Deon George
+ * @copyright  (c) 2009-2013 Open Source Billing
+ * @license    http://dev.osbill.net/license.html
+ */
+abstract class Auth extends Kohana_Auth {
+        public static function instance($type=NULL) {
+		 if (is_null($type) OR (! $type instanceof Model_Oauth))
+			return parent::instance();
+
+		// Set the session class name
+		$class = 'Auth_'.ucfirst($type->name);
+
+		// Create a new session instance
+		Auth::$_instance = new $class($type);
+
+		return Auth::$_instance;
+	}
+}
+?>