Sources
-------

* main.js is from the [masonry FAQ](http://masonry.desandro.com/faq.html)
* [masonry.pkgd.min.js](http://cdnjs.cloudflare.com/ajax/libs/masonry/3.3.0/masonry.pkgd.min.js)
* [classie.js](http://masonry.desandro.com/bower_components/classie/classie.js)
