implemented a failure detector registry
added some more content to AkkaProtocolSpec
added an AtomicReference type
fixed the AccrualFailureDetector, Registry
Merge pull request #103 from Aaronontheweb/remote-fixes

[UNSTABLE] fixed PhiAccrualFailureDetector, added FailureDetectorRegistry
ProtocolStateActor finished; AkkaProtocolSpecs pass
Merge pull request #105 from Aaronontheweb/remote-fixes

ProtocolStateActor finished; AkkaProtocolSpecs pass
added the AkkaProtocolManager
fixes to AkkaProtocolTransport and abstract adapters
Merge pull request #106 from Aaronontheweb/remote-fixes

[UNSTABLE] AkkaProtocolManager, ThreadLocalRandom, more
Added initial test for Pool routers, fixed some pool router bugs.
finished the EndpointRegistry
Refactoring pool router support
integrating the AkkaProtocolHandle and AssociationHandle into the EndpointManager
starting work on endpoint actors
working on EndpointRegistrySpec; implement Props.empty
completed EndpointRegistrySpec; all tests pass
completed DefaultMessageDispatcher
working on EndpointWriter
implementing the components used for ACKing messages