title: Format Date as "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"
body: <p>I need to format a date as <code>yyyy-MM-dd'T'HH:mm:ss.SSS'Z'</code> as specified by <a href="https://parse.com/docs/rest#users-login">Parse's REST API for Facebook</a>. I was wondering what the most <strong>lightweight</strong> solution to this would be.</p>