Stream bitsocket data over fountainhead for now until we get our own bitsocket backend set up
Add optional bitsocketURL to Socket config object
Extend listen method's first query param to accept a bitsocket query object. Conditionally stream back full websocket data or bitsocket query to callback
bitsocketURLto Socket config objectlistenmethod's firstqueryparam to accept a bitsocketqueryobject. Conditionally stream back full websocket data or bitsocketquerytocallback