title: Do i need to specify oneway binding for contentBinding in CollectionView
body: <p>Do I need to specify <code>oneWay</code> binding for <code>contentBinding</code> in <code>ArrayController</code>?</p>
  
  <p>For example:</p>
  
  <pre><code>App.PeopleCollectionView = Ember.CollectionView.create({
    contentBinding: Ember.Binding.oneWay('App.peopleController.content')
  });
  </code></pre>