Backport named pipes dump/restore functionality to 9.3.x
Backport named pipes dump/restore functionality to 9.3.x

aptible/docker-postgresql,aptible/docker-postgresql,fancyremarker/docker-postgresql,seanknox/docker-postgresql,seanknox/docker-postgresql,aptible/docker-postgresql,fancyremarker/docker-postgresql,fancyremarker/docker-postgresql