add some more function-doc; add setting to enable/disable api in system-settings; added last three api-command classes (empty so far)

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

lib/classes/api/commands/class.Traffic.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * This file is part of the Froxlor project.
+ * Copyright (c) 2010 the Froxlor Team (see authors).
+ *
+ * For the full copyright and license information, please view the COPYING
+ * file that was distributed with this source code. You can also view the
+ * COPYING file online at http://files.froxlor.org/misc/COPYING.txt
+ *
+ * @copyright  (c) the authors
+ * @author     Froxlor team <team@froxlor.org> (2010-)
+ * @license    GPLv2 http://files.froxlor.org/misc/COPYING.txt
+ * @package    API
+ * @since      0.10.0
+ *
+ */
+class Traffic extends ApiCommand implements ResourceEntity
+{
+	public function add()
+	{}
+
+	public function get()
+	{}
+
+	public function update()
+	{}
+
+	public function listing()
+	{}
+
+	public function delete()
+	{}
+
+
+}