old_contents: var express = require('express');
  var app = express();
  var http = require('http').Server(app);
  
  app.use(express.static('src'));
  app.use('/js/vendor', express.static('node_modules'));
  
  
  app.get('/', function(req, res){
      res.sendFile(__dirname + '/src/index.html');
  });
  
  http.listen(3000, function(){
      console.log('listening on *:3000');
  });
  
new_contents: var express = require('express');
  var app = express();
  var http = require('http').Server(app);
  
  app.use(express.static('src'));
  app.use('/js/vendor', express.static('node_modules'));
  
  
  app.get('/', function(req, res){
      res.sendFile(__dirname + '/src/index.html');
  });
  
  app.set('port', (process.env.PORT || 5000));
  
  
  /*http.listen(3000, function(){
      console.log('listening on *:3000');
  });
  */
  
subject: Test fix for port location