* Updated NodeFluctuationTestController::run().
* Added NodeFluctuationTestController::runRecordFluctuation().
* Fixed LocalNode::start() to set the state normally.
* Added TabletRecordHashKeyAllRange class.
* Updated NodeFluctuationTestController::runRecordFluctuation().
* Updated NodeFluctuationTestController::runRecordFluctuation().
* Fixed NodeGraph::getMasterNode() and getReplicaNodes() to use the specified tablet key intead of the tablet record.
* Changed TabletKey class to derive from ConsistentHashObject instead of HashObject.
* Updated NodeFluctuationTestController::run*().
* Changed TabletRecod class not to derive from ConsistentHashObject.
* Removed TabletRecod::getHashSeed() with the test codes.