Add reference to React lifecycle

[mathieuancelin]

use

located at

https://mongkuen.gitbooks.io/react/content/chapter-2-react-components/RXZidTc7S5WEicK3fiNW_Screen%20Shot%202016-02-25%20at%2012.06.29%20PM.png

and ref to https://facebook.github.io/react/docs/state-and-lifecycle.html