akka/akka — pull request #530 by jboner (2012-06-10 14:55:10+00:00)
Title: Abstracted the FailureDetector into a interface trait and added controllable failure detector mock. 

- Abstracted a FailureDetector trait.
- Added a FailureDetectorPuppet mock that can be user controllable
- Added option to define a custom failure detector
- Misc minor fixes
- Made LeaderDowningNodeThatIsUnreachableSpec make use of the new FailureDetectorPuppet as a sample of how to use it.
- Ignoring ConvergenceSpec until fixed.