Splitup functionality of http server into event websocket vs peer websocket classes
Merge branch 'master' into websocket-stream

Conflicts:
	lib/http_server.js
Added event broker to manage event subscriptions between ws clients and local pubsub / peers
Merge branch 'master' into websocket-stream

Conflicts:
	lib/http_server.js
Merge branch 'master' into websocket-stream

Conflicts:
	lib/http_server.js
Merge pull request #10 from zettajs/websocket-stream

Added ws stream handlers and cleaned up http_server.js