This member is added by an implicit conversion from DistributedPubSub to
any2stringadd[DistributedPubSub] performed by method any2stringadd in scala.Predef.
This member is added by an implicit conversion from DistributedPubSub to
StringFormat[DistributedPubSub] performed by method StringFormat in scala.Predef.
Extension that starts a DistributedPubSubMediator actor with settings defined in config section
akka.cluster.pub-sub
.