old_contents: 'use strict';
  
  var path = require('path');
  
  var express = require('express');
  var logger = require('morgan');
  var bodyParser = require('body-parser');
  var nunjucks = require('nunjucks');
  var OptimizelyClient = require('optimizely-node-client');
  var cookieParser = require('cookie-parser');
  var session = require('express-session');
  var mongo = require('mongodb');
  var monk = require('monk');
  var db = monk(process.env.MONGODB_URI);
  
  var config = require('./lib/config');
  
  // Routes
  var index = require('./routes/index');
  
  var app = express();
  var env;
  
  app.use(cookieParser('123456789QWERTY'));
  app.use(session(session({
    genid: function(req) {
      return genuuid() // use UUIDs for session IDs 
    },
    secret: '123456789QWERTY'
  })));
  
  // Set up Nunjucks
  env = nunjucks.configure('views', {
      autoescape: true,
      express: app
  });
  
  // Global template variables
  env.addGlobal('brand', config.brand);
  env.addFilter('println', function(str) {
  	console.log(str);
  });
  
  // make our db accessible to routes
  app.use(function(req,res,next){
      req.db = db;
      next();
  });
  
  app.use(logger('dev'));
  app.use(bodyParser.json());
  app.use(bodyParser.urlencoded({
      extended: false
  }));
  app.use(express.static(path.join(__dirname, 'public')));
  
  app.use('/', index);
  
  module.exports = app;
  
new_contents: 'use strict';
  
  var path = require('path');
  
  var express = require('express');
  var logger = require('morgan');
  var bodyParser = require('body-parser');
  var nunjucks = require('nunjucks');
  var OptimizelyClient = require('optimizely-node-client');
  var cookieParser = require('cookie-parser');
  var session = require('express-session');
  var mongo = require('mongodb');
  var monk = require('monk');
  var db = monk(process.env.MONGOLAB_URI);
  
  var config = require('./lib/config');
  
  // Routes
  var index = require('./routes/index');
  
  var app = express();
  var env;
  
  app.use(cookieParser('123456789QWERTY'));
  app.use(session(session({
    genid: function(req) {
      return genuuid() // use UUIDs for session IDs 
    },
    secret: '123456789QWERTY'
  })));
  
  // Set up Nunjucks
  env = nunjucks.configure('views', {
      autoescape: true,
      express: app
  });
  
  // Global template variables
  env.addGlobal('brand', config.brand);
  env.addFilter('println', function(str) {
  	console.log(str);
  });
  
  // make our db accessible to routes
  app.use(function(req,res,next){
      req.db = db;
      next();
  });
  
  app.use(logger('dev'));
  app.use(bodyParser.json());
  app.use(bodyParser.urlencoded({
      extended: false
  }));
  app.use(express.static(path.join(__dirname, 'public')));
  
  app.use('/', index);
  
  module.exports = app;
  
subject: Change URI scheme