Exclude express-middleware from browser bundle

Fix lib/loopback to include express-middleware only on the server.

Bump up strong-remoting dependency to use the version working in
browsers.

lib/express-middleware.js

@@ -1,7 +1,7 @@
 var express = require('express');
 var path = require('path');
 
-var middlewares = express.middlewares = {};
+var middlewares = exports;
 
 function safeRequire(m) {
   try {
@@ -50,7 +50,3 @@ middlewares.favicon = function (icon, options) {
   icon = icon || path.join(__dirname, '../favicon.ico');
   return favicon(icon, options);
 };
-
-module.exports = express;
-
-

lib/loopback.js

@@ -2,7 +2,7 @@
  * Module dependencies.
  */
 
-var express = require('./express-middleware')
+var express = require('express')
   , fs = require('fs')
   , ejs = require('ejs')
   , path = require('path')
@@ -89,8 +89,7 @@ function createApplication() {
 }
 
 /*!
- * Expose express.middleware as loopback.*
- * for example `loopback.errorHandler` etc.
+ * Expose static express methods like `express.errorHandler`.
  */
 
 for (var key in express) {
@@ -100,11 +99,22 @@ for (var key in express) {
     , Object.getOwnPropertyDescriptor(express, key));
 }
 
-for (var key in express.middlewares) {
-  Object.defineProperty(
-    loopback
-    , key
-    , Object.getOwnPropertyDescriptor(express.middlewares, key));
+/*!
+ * Expose additional middleware like session as loopback.*
+ * This will keep the loopback API compatible with express 3.x
+ *
+ * ***only in node***
+ */
+
+if (loopback.isServer) {
+  var middlewares = require('./express-middleware');
+
+  for (var key in middlewares) {
+    Object.defineProperty(
+      loopback
+      , key
+      , Object.getOwnPropertyDescriptor(middlewares, key));
+  }
 }
 
 /*!

package.json

@@ -34,7 +34,7 @@
     "debug": "~0.8.1",
     "express": "4.x",
     "body-parser": "~1.2.2",
-    "strong-remoting": "2.0.0-beta2",
+    "strong-remoting": "2.0.0-beta3",
     "inflection": "~1.3.5",
     "passport": "~0.2.0",
     "passport-local": "~1.0.0",