old_contents: var express = require('express');
  var path = require('path');
  var favicon = require('serve-favicon');
  var logger = require('morgan');
  var cookieParser = require('cookie-parser');
  var bodyParser = require('body-parser');
  
  var coffee = require("coffee-script/register");
  var routes = require('./routes/index.coffee');
  
  var util = require("util");
  
  var app = express();
  
  // view engine setup
  app.set('views', path.join(__dirname, 'views'));
  app.set('view engine', 'jade');
  
  // uncomment after placing your favicon in /public
  //app.use(favicon(__dirname + '/public/favicon.ico'));
  app.use(logger('dev'));
  app.use(bodyParser.json());
  app.use(bodyParser.urlencoded({ extended: false }));
  app.use(cookieParser());
  app.use(express.static(path.join(__dirname, 'public')));
  
  app.use(function(req, res, next) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header('Access-Control-Allow-Methods', 'GET,POST,PUT,OPTIONS,DELETE');
    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    next();
  });
  
  // app.use('/', routes);
  
  // catch 404 and forward to error handler
  app.use(function(req, res, next) {
      var err = new Error('Not Found');
      err.status = 404;
      next(err);
  });
  
  // error handlers
  
  // development error handler
  // will print stacktrace
  
  // production error handler
  // no stacktraces leaked to user
  app.use(function(err, req, res, next) {
      console.log(err);
      res.status(err.status || 500);
      res.render('error', {
          message: err.message,
          error: {}
      });
  });
  
  app.set('port', process.env.PORT || 1337);
  
  var server = app.listen(app.get('port'), function() {
    util.log('Express server listening on port ' + server.address().port);
  });
  
new_contents: var express = require('express');
  var path = require('path');
  var favicon = require('serve-favicon');
  var logger = require('morgan');
  var cookieParser = require('cookie-parser');
  var bodyParser = require('body-parser');
  
  var coffee = require("coffee-script/register");
  var routes = require('./routes/index.coffee');
  
  var util = require("util");
  
  var app = express();
  
  // view engine setup
  app.set('views', path.join(__dirname, 'views'));
  app.set('view engine', 'jade');
  
  // uncomment after placing your favicon in /public
  //app.use(favicon(__dirname + '/public/favicon.ico'));
  app.use(logger('dev'));
  app.use(bodyParser.json());
  app.use(bodyParser.urlencoded({ extended: false }));
  app.use(cookieParser());
  app.use(express.static(path.join(__dirname, 'public')));
  
  app.use(function(req, res, next) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header('Access-Control-Allow-Methods', 'GET,POST,PUT,OPTIONS,DELETE');
    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    next();
  });
  
  app.use('/', routes);
  
  // catch 404 and forward to error handler
  app.use(function(req, res, next) {
      var err = new Error('Not Found');
      err.status = 404;
      next(err);
  });
  
  // error handlers
  
  // development error handler
  // will print stacktrace
  
  // production error handler
  // no stacktraces leaked to user
  app.use(function(err, req, res, next) {
      console.log(err);
      res.status(err.status || 500);
      res.render('error', {
          message: err.message,
          error: {}
      });
  });
  
  app.set('port', process.env.PORT || 1337);
  
  var server = app.listen(app.get('port'), function() {
    util.log('Express server listening on port ' + server.address().port);
  });
  
subject: enable root route