integrated AddressTerminatedTopic into EndpointManager and ActorCell per #314
fixed the failing unit test in #314

Still have some extra work needed in order to complete the unit test as
specified in the canonical Akka.Remote RemoteWatcherSpec.
close #314
added cleanup for after shutdown
Fix casing and execute permissions for mono/linux for #62
Merge pull request #325 from mattnischan/monofixes

Fix casing and execute permissions for mono/linux for #62
implemented AddressTerminated hooks inside RemoteDaemon
Merge pull request #318 from Aaronontheweb/remote-watcher

Remote watcher test fixed and finished - resolves #314
Add == and != to ActorRef
Merge pull request #328 from HCanber/actorref-equals-326

Add == and != to ActorRef