title: Render JSON instead of HTML as default?
body: <p>I try to tell rails 3.2 that it should render JSON by default, and kick HTML completely like this:</p>
  
  <pre><code>respond_to :json    
  
  def index
    @clients = Client.all
    respond_with @clients
  end
  </code></pre>
  
  <p>With this syntax, I have to add <code>.json</code> to the URL. How can I achieve it?</p>