Update webpack(v3)

package.json

@@ -1,7 +1,7 @@
 {
   "name": "grapesjs",
   "description": "Free and Open Source Web Builder Framework",
-  "version": "0.9.63",
+  "version": "0.9.65",
   "author": "Artur Arseniev",
   "license": "BSD-3-Clause",
   "homepage": "http://grapesjs.com",
@@ -37,8 +37,8 @@
     "mocha": "^3.1.2",
     "node-sass": "^3.4.2",
     "sinon": "^1.17.6",
-    "webpack": "^2.6.1",
-    "webpack-dev-server": "^2.4.5"
+    "webpack": "^3.5.5",
+    "webpack-dev-server": "^2.7.1"
   },
   "keywords": [
     "wte",

webpack.config.js

@@ -4,15 +4,14 @@ var env = process.env.WEBPACK_ENV;
 var name = 'grapes';
 var plugins = [];
 
-if(env !== 'dev'){
+if(env !== 'dev') {
   plugins = [
+    new webpack.optimize.ModuleConcatenationPlugin(),
     new webpack.optimize.UglifyJsPlugin({
-      //sourceMap: true,
       minimize: true,
       compressor: {warnings: false},
     }),
     new webpack.BannerPlugin(pkg.name + ' - ' + pkg.version),
-    //v2 new webpack.BannerPlugin({banner: 'Banner v2'});
   ]
 }
 
@@ -27,6 +26,7 @@ module.exports = {
   },
   externals: {
     jquery: {
+      commonjs2: 'jquery',
       commonjs: 'jquery',
       amd: 'jquery',
       root: 'jQuery'