[CAP] [Feature] Get list of actors from directory service. (#2073)

* Search directory for list of actors using regex '.*' gets all actors

* docs changes

* pre-commit fixes

* Use ActorInfo from protobuf

* pre-commit

* Added zmq tests to work on removing sleeps

* minor refactor of zmq tests

* 1) Change DirSvr to user Broker.  2) Add req-router to broker 3) In ActorConnector use handshake and req/resp to remove sleep

* 1) Change DirSvr to user Broker.  2) Add req-router to broker 3) In ActorConnector use handshake and req/resp to remove sleep

* move socket creation to thread with recv

* move socket creation to thread with recv

* Better logging for DirectorySvc

* better logging for directory svc

* Use logging config

* Start removing sleeps

* pre-commit

* Cleanup monitor socket