Merge pull request #1310 from Alfresco/dev-denys-1304

fix dialog polyfill usage

demo-shell-ng2/app/vendor.ts

@@ -27,7 +27,7 @@ import 'ng2-alfresco-webscript';
 import 'ng2-alfresco-userinfo';
 
 // Polyfill(s) for dialogs
-import 'dialog-polyfill/dialog-polyfill';
+require('script!dialog-polyfill/dialog-polyfill');
 import 'dialog-polyfill/dialog-polyfill.css';
 
 // Flags

demo-shell-ng2/config/webpack.common.js

@@ -106,10 +106,6 @@ module.exports = {
 
     plugins: [
 
-        new webpack.ProvidePlugin({
-            'dialogPolyfill': 'dialog-polyfill/dialog-polyfill'
-        }),
-
         new webpack.WatchIgnorePlugin([
             ...alfrescoLibsModules,
             ...alfrescoLibsSources