This reverts commit bf53ad9f.

SocketsController now takes a user object or a user id, so that we only instantiate the user if we need to

new years resolution: commit more. make the websocket take user objects, rather then just ids, since postman now gets all of them at once, rather than querying them n times

updated rails, and incorrect respond_to :location calls.  you must supply an object with respond_with

support multiple groups.