Update Idna-Converter to version 1.0.2 (default IDNA standard is now 2008)

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

lib/classes/idna/ext/PunycodeInterface.php

@@ -0,0 +1,20 @@
+<?php
+ /*
+ * @author  Matthias Sommerfeld <mso@phlylabs.de>
+ * @copyright 2004-2016 phlyLabs Berlin, http://phlylabs.de
+ */
+
+namespace Mso\IdnaConvert;
+
+interface PunycodeInterface 
+{
+   
+    public function __construct(NamePrepDataInterface $NamePrepData, UnicodeTranscoderInterface $UCTC);
+
+    public function getPunycodePrefix();
+
+    public function decode($encoded);
+
+    public function encode($decoded);
+
+}