QR Code Generator for JavaScript
Copyright (c) 2009 Kazuhiko Arase
https://github.com/kazuhikoarase/qrcode-generator

Licensed under the MIT license:
http://www.opensource.org/licenses/mit-license.php

The word "QR Code" is a registered trademark of
DENSO WAVE INCORPORATED
http://www.denso-wave.com/qrcode/faqpatent-e.html