Change Angular 2 template to use app-style layout, like the React template

templates/Angular2Spa/ClientApp/components/nav-menu/nav-menu.ts

@@ -0,0 +1,13 @@
+import * as ng from 'angular2/core';
+import * as router from 'angular2/router';
+
+@ng.Component({
+  selector: 'nav-menu'
+})
+@ng.View({
+  template: require('./nav-menu.html'),
+  directives: [router.ROUTER_DIRECTIVES],
+  styles: [require('./nav-menu.css')]
+})
+export class NavMenu {
+}