http://codingthesmartway.com/learn-redux-introduction-to-state-management-with-react/
https://github.com/seeschweiler/redux-voting/tree/master/src
//
http://eslint.org/docs/developer-guide/working-with-custom-formatters#the-message-object
{
"parserOptions": {
"ecmaVersion": 6,
https://codepen.io/gaearon/pen/rrpgNB?editors=1010
https://facebook.github.io/react/docs/rendering-elements.html#rendering-an-element-into-the-dom
Applications built with just React usually have a single root DOM node. If you are integrating React into an existing app, you may have as many isolated root DOM nodes as you like.