FCTWebSocket
reactify our web sockets, completely untested

sleepiness intensifying
web sockets: stop using #ifdef like it's 1992
web sockets: use 1s retry instead of backoff (better for demos)
Web sockets: initWithJSONSignal
Merge pull request #6 from trello/fct-web-socket-yoink

fct-web-socket-yoink