…N.net from NuGet.
… threadpool. Using the threadpool may end up deadlocking the processes, since we lock 'lock_obj' when processing notifications, and some notifications need to use the threadpool (they hit the network for instance, which internally may use the threadpool).
In particular make sure the data for the revision is cleaned up, since otherwise we may leave behind the entire revision.
…n the GitHub notifier, and push notifications when pulling, assigning, and finishing revisions.