http://expressjs.com/3x/api.html#app.configure
https://github.com/strongloop/express/tree/master/examples
http://stackoverflow.com/questions/9198310/how-to-set-node-env-to-production-development-in-os-x
http://www.hacksparrow.com/running-express-js-in-production-mode.html
app.use(bodyParser.urlencoded({ extended: true }));