This resolves GR-70.

It also addresses the part of GR-52 regarding getting notified of your own system’s changes.

@knutsenm re-opening this PR against the `release` branch
Invoking `team` cause a team to get created from the `let` line on 521, triggering a `:created` notification. `save` then triggers an `:updated` notification. 

I'll change the spec.