Update README with 8th lesson on refactoring from ES5 to ES6

Refactor views to ES6 and update routes

Add `babel-preset-es2015` to babel-register and webpack

Update README with 7th lesson on universal rendering with Redux

Add Redux to the server and client and connect to <Layout>

Update webpack to run babel-loader on `.js` and `.jsx`

Save `redux` and `react-redux` to dependencies

Save `npm-run-all` and create npm script `dev`

Create npm script `watch:webpack`

Save `nodemon` and create npm script `watch:server`

Update package.json "description" and "keywords"

Update README with 6th lesson wrapping up react-router client setup

Use <Link> to route to <Home> and <About>

Create `views/About.jsx` and add it as a <Route> in routes

Create `views/Index.jsx` and add it as the <IndexRoute> in routes