Bug 944144 - Implement NavigationHelper.reload. r=mcomella
Bug 1004701 - Add QR decoder library. r=paul

Imports the JS QR Code reader library[1].

This library was ported to JavaScript by Lazar Laszlo <lazarsoft@gmail.com>.
The port is made available under the Apache 2.0 license.

This library is based on the Java ZXing project[2] by the ZXing team.  It is
also made available under the Apache 2.0 license.

[1]: https://github.com/jryans/jsqrcode
[2]: https://github.com/zxing/zxing

--HG--
rename : toolkit/devtools/qrcode/encoder/moz.build => toolkit/devtools/qrcode/decoder/moz.build
rename : toolkit/devtools/qrcode/qrcode.js => toolkit/devtools/qrcode/index.js