Reconnect sockets on disconnect

[pospi]

Will prevent people losing realtime data events if we need to roll out updates to the API server while in production.

see http://stackoverflow.com/questions/4432271/node-js-and-socket-io-how-to-reconnect-as-soon-as-disconnect-happens as a starting point

[pospi]

Actually.... this should be fine it all happens automatically as part of the client library these days.