old_contents: /**
   * Express configuration
   */
  
  'use strict';
  
  // dependencies
  
  var express = require('express');
  var favicon = require('serve-favicon');
  var morgan = require('morgan');
  var compression = require('compression');
  var bodyParser = require('body-parser');
  var methodOverride = require('method-override');
  var cookieParser = require('cookie-parser');
  var errorHandler = require('errorhandler');
  var path = require('path');
  var config = require('./environment');
  var passport = require('passport');
  
  // exports
  
  module.exports.init = _init;
  
  // private functions
  
  function _init(app) {
      var env = app.get('env');
      var routers = {'development': _dev(app), 'test': _dev(app), 'production': _prod(app)};
  
      app.set('views', config.root + '/server/views');
      app.set('view engine', 'jade');
  
      app.use(compression());
      app.use(bodyParser.urlencoded({extended: false}));
      app.use(bodyParser.json());
      app.use(methodOverride());
      app.use(cookieParser());
      app.use(passport.initialize());
  
      routers[env]();
  }
  
  function _prod(app) {
      return function () {
          console.log("Server was running under production mode: " + path.join(config.root, 'dist', 'public'));
          app.use(favicon(path.join(config.root, 'public', 'favicon.ico')));
          app.use(express.static(path.join(config.root, 'public')));
          app.set('appPath', config.root + '/public');
          app.use(morgan('dev'));
      }
  }
  
  function _dev(app) {
      return function () {
          console.log("Server was running under development environment.");
          app.use(require('connect-livereload')());
          app.use(express.static(path.join(config.root, '.tmp')));
          app.use(express.static(path.join(config.root, 'client')));
          app.set('appPath', path.join(config.root, 'client'));
          app.use(morgan('dev'));
          app.use(errorHandler()); // Error handler - has to be last
      }
  }
  
new_contents: /**
   * Express configuration
   */
  
  'use strict';
  
  // dependencies
  
  var express = require('express');
  var favicon = require('serve-favicon');
  var morgan = require('morgan');
  var compression = require('compression');
  var bodyParser = require('body-parser');
  var methodOverride = require('method-override');
  var cookieParser = require('cookie-parser');
  var errorHandler = require('errorhandler');
  var path = require('path');
  var config = require('./environment');
  var passport = require('passport');
  
  // exports
  
  module.exports.init = _init;
  
  // private functions
  
  function _init(app) {
      var env = app.get('env');
      var routers = {'development': _dev(app), 'test': _dev(app), 'production': _prod(app)};
  
      app.set('views', config.root + '/server/views');
      app.set('view engine', 'jade');
  
      app.use(compression());
      app.use(bodyParser.urlencoded({extended: false}));
      app.use(bodyParser.json());
      app.use(methodOverride());
      app.use(cookieParser());
      app.use(passport.initialize());
  
      routers[env]();
  }
  
  function _prod(app) {
      return function () {
          console.log("Server was running under production mode: " + path.join(config.root, 'public'));
          app.use(favicon(path.join(config.root, 'public', 'favicon.ico')));
          app.use(express.static(path.join(config.root, 'public')));
          app.set('appPath', config.root + '/public');
          app.use(morgan('dev'));
      }
  }
  
  function _dev(app) {
      return function () {
          console.log("Server was running under development environment.");
          app.use(require('connect-livereload')());
          app.use(express.static(path.join(config.root, '.tmp')));
          app.use(express.static(path.join(config.root, 'client')));
          app.set('appPath', path.join(config.root, 'client'));
          app.use(morgan('dev'));
          app.use(errorHandler()); // Error handler - has to be last
      }
  }
  
subject: clean up;