Error_UserAborted: New error class for when the user aborts the login process.

Thanks to Brook Schofield for adding this.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2733 44740490-163a-0410-bde0-09ae8108e29a

lib/SimpleSAML/Error/UserAborted.php

+<?php
+/**
+ * Exception indicating user aborting the authentication proces.
+ *
+ * @package simpleSAMLphp_base
+ * @version $Id$
+ *
+ */
+class SimpleSAML_Error_UserAborted extends SimpleSAML_Error_User{
+	
+}
+
+?>