Add new fields to items: id_code, image, location; implement QR code generation and printing; update translations and UI

vendor/chillerlan/php-qrcode/src/Data/QRCodeDataException.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Class QRCodeDataException
+ *
+ * @filesource   QRCodeDataException.php
+ * @created      09.12.2015
+ * @package      chillerlan\QRCode\Data
+ * @author       Smiley <smiley@chillerlan.net>
+ * @copyright    2015 Smiley
+ * @license      MIT
+ */
+
+namespace chillerlan\QRCode\Data;
+
+use chillerlan\QRCode\QRCodeException;
+
+class QRCodeDataException extends QRCodeException{}