Code review comment for lp:~mhr3/unity-scopes-api/always-join-threads

Ah right. Could you please make the following change in this branch:
In scoperegistry we need to run:

"middleware->add_state_receiver_object("StateReceiver", registry->state_receiver());"

BEFORE

"middleware->add_registry_object(runtime->registry_identity(), registry);"

This way we ensure that the state receiver is ready to process requests as soon as the registry appears on the middleware.