=rem #2966 Harden RemoteNodeShutdownAndComesBackSpec
=act #3562: Do not generate Terminated when unwatched in preRestart

 - also avoid duplicate DWN for parent
Merge pull request #1963 from drewhk/wip-3562-mistakenly-generated-terminated-drewhk

=act #3562: Do not generate Terminated when unwatched in preRestart
Merge pull request #1965 from akka/wip-3846-RemoteNodeShutdownAndComesBackSpec-patriknw

=rem #2966 Harden RemoteNodeShutdownAndComesBackSpec
Merge remote-tracking branch: upstream/master