title: Replace chunk name with module name in angular 4 lazy loading
body: <p>I'm using angular-cli-1.6.3 for bundling my project.
  I try to rename lazy loaded chunk name into valid module name. But it is not working. Code snippet given below,</p>
  <pre><code>{
    path: 'lazy',
    loadChildren: './lazy/module#LazyModule?chunkName=LazyModule'
  }
  </code></pre>