closes #5739 <img width="991" alt="screen shot 2018-08-29 at 10 50 48 pm" src="https://user-images.githubusercontent.com/487433/44832110-5a3f7e00-abde-11e8-9a89-d365982cdd62.png";>
[ Full content available at: https://github.com/apache/incubator-superset/pull/5778 ] This message was relayed via gitbox.apache.org for [email protected]
![https://user-images.githubusercontent.com/487433/44832110-5a3f7e00-abde-11e8-9a89-d365982cdd62.png"](https://user-images.githubusercontent.com/487433/44832110-5a3f7e00-abde-11e8-9a89-d365982cdd62.png"){kind=link}