Updated Demo with the new OAuth20 module

Added basic example to extend CMS Authentication using Smarty templates.

modules/auth/cms_login_form.e

@@ -0,0 +1,10 @@
+note
+	description: "Summary description for {CMS_LOGIN_FORM}."
+	author: ""
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	CMS_LOGIN_FORM
+
+end