Add listers to Brando and ShardManager, so that users can monitor state changes to the redis connection.
Merge pull request #21 from ANorwell/listener

Add listeners to Brando and ShardManager, so that users can monitor state changes to the redis connection
Update readme to better document status change listeners
Merge pull request #22 from ANorwell/listener

Update readme to better document status change listeners
Add optional health monitor to ShardManager
Fix occasionally failing test
Merge pull request #23 from ANorwell/fixtest

Fix occasionally failing test
Use the ActorSystem config rather than creating a new one.
Merge pull request #25 from ANorwell/config-tweak

Use the ActorSystem config rather than creating a new one.
Merge pull request #24 from ANorwell/health-monitor

Add optional health monitor to ShardManager
Publish 0.3.0
ShardManager.withHealthMonitor now has a defaultHashFunction like ShardManager.apply
Healt Monitor Check rate is now passed in the constructor, client application can make it configurable.
Release version 0.3.1.