* Fixed LocalNode::repair() only to copy records of a failed node.
* Added Client::getTargetClusterNodeGraph();
* Removed Client::getTargetClusterNodeGraph().
* Added some tests for target cluster methods in Client class.
* Changed NodeFluctuationTestController to use real local node.
* Fixed NodeFluctuationTestController::run() to remove all nodes at exit.
* Added FractalNodeFinderNotificationTest.