Update Express dependency to version 4

Followed work done on this PR:
jaredhanson#152

lib/cli/create.js

@@ -175,23 +175,27 @@ var viewsInitializer = [
 var middlewareInitializer = [
     'var express = require(\'express\')'
   , '  , poweredBy = require(\'connect-powered-by\');'
+  , '  , favicon = require(\'static-favicon\')'
+  , '  , bodyParser = require(\'body-parser\')'
+  , '  , methodOverride = require(\'method-override\')'
+  , '  , errorHandler = require(\'errorhandler\');'
   , ''
   , 'module.exports = function() {'
   , '  // Use middleware.  Standard [Connect](http://www.senchalabs.org/connect/)'
   , '  // middleware is built-in, with additional [third-party](https://github.com/senchalabs/connect/wiki)'
   , '  // middleware available as separate modules.'
   , '  if (\'development\' == this.env) {'
-  , '    this.use(express.logger());'
+  , '    this.use(require(\'morgan\')());'
   , '  }'
   , ''
   , '  this.use(poweredBy(\'Maglev\'));'
-  , '  this.use(express.favicon());'
+  , '  this.use(favicon());'
   , '  this.use(express.static(__dirname + \'/../../public\'));'
-  , '  this.use(express.urlencoded());'
+  , '  this.use(bodyParser());'
+  , '  this.use(methodOverride());'
   , '  this.use(express.json());'
-  , '  this.use(express.methodOverride());'
   , '  this.use(this.router);'
-  , '  this.use(express.errorHandler());'
+  , '  this.use(errorHandler());'
   , '}'
   , ''
 ].join(eol);
@@ -234,12 +238,17 @@ var packageJSON = [
   , '  "version": "0.0.1",'
   , '  "private": true,'
   , '  "dependencies": {'
-  , '    "maglev": "0.4.x",'
+  , '    "maglev": "0.5.x",'
   , '    "bootable": "0.2.x",'
   , '    "bootable-environment": "0.2.x",'
-  , '    "express": "3.x.x",'
+  , '    "express": "4.x.x",'
   , '    "connect-powered-by": "0.1.x",'
   , '    "ejs": "0.8.x"'
+  , '    "morgan": "1.x.x",'
+  , '    "static-favicon": "1.x.x",'
+  , '    "body-parser": "1.x.x",'
+  , '    "method-override": "1.x.x",'
+  , '    "errorhandler": "1.x.x"'
   , '  },'
   , '  "scripts": {'
   , '    "start": "node server.js"'

lib/controller.js

@@ -2,7 +2,7 @@
  * Module dependencies.
  */
 var router = require('actionrouter')
-  , mime = require('express').mime
+  , mime = require('express').static.mime
   , utils = require('./utils')
   , flatten = require('utils-flatten')
   , dispatch = require('./middleware/dispatch')
@@ -27,7 +27,7 @@ function Controller() {
  *  - Checks query string params, ex: ?id=12
  *
  * To utilize request bodies, `req.body` should be an object. This can be done
- * by using `express.bodyParser()` middleware.
+ * by using the module `body-parser`.
  *
  * For convenience, this function is aliased to `params`.
  * 

lib/underlay/express.js

@@ -38,7 +38,7 @@ module.exports = function(env) {
     return dispatch(self, controller, action);
   });
   this.__router.define(function(method, path, handler) {
-    app[method](path, handler);
+    self.router[method](path, handler);
   });
   this.__router.assist(function(name, entry) {
     if (typeof entry == 'string') {
@@ -57,16 +57,15 @@ module.exports = function(env) {
 
   // Forward function calls from Maglev to Express.  This allows Maglev
   // to be used interchangably with Express.
-  utils.forward(this, app, [ 'configure',
-                             'get', 'set',
+  utils.forward(this, app, [ 'get', 'set',
                              'enabled', 'disabled',
                              'enable', 'disable',
                              'use', 'engine' ]);
   this.express = app;
-  this.router = app.router;
+  this.router = express.Router();
   this.locals = app.locals;
-  this.mime = express.mime;
-  
+  this.mime = express.static.mime;
+
   // Set the environment.  This syncs Express with the environment supplied to
   // the Maglev CLI.
   this.set('env', env);

lib/utils.js

@@ -1,7 +1,7 @@
 /**
  * Module dependencies.
  */
-var mime = require('express').mime;
+var mime = require('express').static.mime;
 
 /**
  * Parse accept params `str` returning an

package.json

@@ -39,7 +39,7 @@
     "pkginfo": "0.3.0",
     "commander": "2.7.1",
     "co-prompt": "1.0.0",
-    "express": "3.20.2",
+    "express": "4.12.3",
     "actionrouter": "0.1.0",
     "bootable": "0.2.4",
     "bootable-environment": "0.2.0",