https://github.com/monospaced/angular-qrcode Copyright (c) 2017 Monospaced
Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
https://github.com/angular Copyright (c) 2010-2017 Google, Inc. http://angularjs.org
Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
URL: http://www.d-project.com/ Copyright (c) 2009 Kazuhiko Arase
Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
The word "QR Code" is registered trademark of DENSO WAVE INCORPORATED http://www.denso-wave.com/qrcode/faqpatent-e.html