Adopt latest loader

src/vs/css.js

@@ -22,7 +22,7 @@ var __extends = (this && this.__extends) || function (d, b) {
 var _cssPluginGlobal = this;
 var CSSLoaderPlugin;
 (function (CSSLoaderPlugin) {
-    var global = _cssPluginGlobal;
+    var global = _cssPluginGlobal || {};
     /**
      * Known issue:
      * - In IE there is no way to know if the CSS file loaded successfully or not.

src/vs/nls.js

@@ -17,7 +17,7 @@
 var _nlsPluginGlobal = this;
 var NLSLoaderPlugin;
 (function (NLSLoaderPlugin) {
-    var global = _nlsPluginGlobal;
+    var global = _nlsPluginGlobal || {};
     var Resources = global.Plugin && global.Plugin.Resources ? global.Plugin.Resources : undefined;
     var DEFAULT_TAG = 'i-default';
     var IS_PSEUDO = (global && global.document && global.document.location && global.document.location.hash.indexOf('pseudo=true') >= 0);