React + D3 course content
https://facebook.github.io/react/docs/react-component.html
https://github.com/FormidableLabs/victory-animation https://css-tricks.com/using-requestanimationframe/ https://github.com/d3/d3-interpolate
https://formidable.com/open-source/victory/docs/victory-transition https://github.com/FormidableLabs/victory-core/blob/master/src/victory-transition/victory-transition.js
https://egghead.io/instructors/dan-abramov
https://github.com/nextstrain/auspice/
https://github.com/nextstrain/auspice/blob/master/src/components/map/map.js
how to have react router change a route programattically for instance if a button navigates to a new route
http://stackoverflow.com/questions/31079081/programmatically-navigate-using-react-router
https://facebook.github.io/react/docs/react-component.html#defaultprops