emberjs.com "LOADING DATA FROM A SERVER" example modification

app.js

App.ApplicationRoute = Ember.Route.extend({
  model: function() {
    return Ember.$.getJSON('https://api.github.com/repos/emberjs/ember.js/pulls?page=1&per_page=3');
  }
});

application.hbs

<h3>Last 3 Pull Requests to Ember.js</h3>
<ul>
{{#each model as |pr|}}
  <li>
    <div class="issue-number">#{{pr.number}}</div>
    <div class="issue-title">
      <a href={{pr.html_url}}>{{pr.title}}</a>
    </div>
    <div class="author-name">
      Opened by <a href={{pr.head.user.html_url}}><strong>@{{pr.head.user.login}}</strong></a>
    </div>
  </li>
{{/each}}
</ul>