The following steps require npm i -g node-static react-tools.
To view locally, try static -p 1234 && open http://localhost:1234 from the cloned gist folder in Terminal.
To make changes, try jsx --extension jsx --watch . . in a separate Terminal tab.
Updated missing url https://cdnjs.cloudflare.com/ajax/libs/react-router/0.13.2/ReactRouter.js to https://cdnjs.cloudflare.com/ajax/libs/react-router/0.13.2/reactrouter.js
https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.6.0/lodash.js
https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.10.2/moment.js
https://cdnjs.cloudflare.com/ajax/libs/react/0.13.1/react-with-addons.js
https://cdnjs.cloudflare.com/ajax/libs/react-router/0.13.2/ReactRouter.js