#React ES7 ES6 ES5 Syntax
- https://facebook.github.io/react/docs/reusable-components.html
- https://facebook.github.io/react/blog/2015/01/27/react-v0.13.0-beta-1.html
- https://babeljs.io/blog/2015/06/07/react-on-es6-plus
- http://www.ian-thomas.net/autobinding-react-and-es6-classes/
- http://blog.ricardofilipe.com/post/babel-react-es7-sample
- standard/standard#372