feat(aot):export default routes array to work with AoT compiler

Author: Meligy

packages/angular-cli/blueprints/module/files/__path__/__name__-routing.module.ts

@@ -1,7 +1,7 @@
 import { NgModule } from '@angular/core';
 import { Routes, RouterModule } from '@angular/router';
 
-const routes: Routes = [];
+export const routes: Routes = [];
 
 @NgModule({
   imports: [RouterModule.forChild(routes)],