title: how do you send html with restify
body: <p>I want to send plain html instead of a json response for one of my routes in restify.  I tried setting the contentType and header property of the response but it doesn't seem to set the contentType in the header (the browser tries to download the file rather than render it).</p>
  
  <pre><code>res.contentType = 'text/html';
  res.header('Content-Type','text/html');
  return res.send('&lt;html&gt;&lt;body&gt;hello&lt;/body&gt;&lt;/html&gt;');
  </code></pre>