QRCode for JavaScript
Copyright (c) 2009 Kazuhiko Arase (http://www.d-project.com/)
Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
The word "QR Code" is registered trademark of DENSO WAVE INCORPORATED.

Node module layout from qrcode-terminal 0.12.0 (Gord Tanner, Michael Brooks), Apache License 2.0.
Copied unchanged into Passlabb (src/vendor/qrcode) to draw two-step sign-in QR codes on the server,
so the secret never leaves Passlabb.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
associated documentation files (the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions: The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.