fix(vendors): concat the files properly

Author: cironunes

lib/broccoli/angular2-app.js

@@ -54,6 +54,21 @@ Angular2App.prototype.toTree = function() {
       files: vendorNpmFiles,
       destDir: 'vendor'
     });
+    
+    var vendorNpmJs = new Concat(vendorNpmTree, {
+      inputFiles: [ //TODO: figure out how to make it a glob that maintains the order of the files
+        '**/angular2-polyfills.js',
+        '**/system.src.js',
+        '**/system-polyfills.js',
+        '**/es6-shim.js',
+        '**/angular2.dev.js',
+        '**/http.dev.js',
+        '**/router.dev.js',
+        '**/upgrade.dev.js',
+        '**/Rx.js'
+      ],
+      outputFile: '/thirdparty/vendor.js'
+    });
 
     var thirdPartyJsTree = new Funnel('node_modules', {
       include: ['ng2*/bundles/*.js'],
@@ -80,7 +95,7 @@ Angular2App.prototype.toTree = function() {
       tsTree, 
       jsTree, 
       this.index(), 
-      vendorNpmTree,
+      vendorNpmJs,
       thirdPartyJs
     ], { overwrite: true });
 };