Update SendMessagesToWebsockets to support if the person is a student or teacher

[kwokwilliam]

• [x] env variable for current queue name in redis store
• [x] store get current queue (from env variable queue name)
• [x] customdirector pass x user with id and make sure auth token is forwarded
• [x] keep track of if auth and if not just send queue with ids and not the entire queue in the websocket handler