introductoin of callback models

added record callback model

application/core/Callbacks/Models/RecordCallback.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace ManiaControl\Callbacks\Models;
+
+/**
+ * Base Model Class for Callbacks
+ *
+ * @author    ManiaControl Team <mail@maniacontrol.com>
+ * @copyright 2014 ManiaControl Team
+ * @license   http://www.gnu.org/licenses/ GNU General Public License, Version 3
+ */
+class RecordCallback extends BaseCallback {
+	/*
+	 * Constants
+	 */
+	const CHECKPOINT = 'RecordCallback.Checkpoint';
+	const FINISH     = 'RecordCallback.Finish';
+
+	/*
+	 * Public Properties
+	 */
+	public $time = null;
+}