title: Completion suggester builder for Jest
body: <p>Is there a built in solution in <a href="https://github.com/searchbox-io/Jest" rel="nofollow noreferrer">jest</a> for sending <a href="http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-suggesters-completion.html" rel="nofollow noreferrer">completion suggester</a> requests to elasticsearch?</p>
  <p>Do I need to implement my own <code>io.searchbox.AbstractAction</code> for that?</p>