Reconnect websocket connection on close

<a href="https://github.com/mnmtanish"><img src="https://avatars2.githubusercontent.com/u/136691?v=3" align="left" width="96" height="96" hspace="10"></img></a> **Issue by [mnmtanish](https://github.com/mnmtanish)**
_Friday Aug 26, 2016 at 11:00 GMT_
_Originally opened as https://github.com/storybooks/react-native-storybook/issues/66_

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Reconnect websocket connections if they close.

