Removed ClientInfo. Use Node or NodeRef instead
Moving util package. Add TaskManagerComponent. Deleted obsolete TaskManager
CentralTaskMonitor draft
Working on task manager
Removed duplicate ZooKeeper connection creation
Move SilkMasterSelector to a new file
Fix spelling
Suppress log messages
Use random SilkMaster port in ClusterSpec
Record cluster shutdown signal to ZooKeeper to avoid leadership takeover within shutdown phase
Add DistributedTaskTest
Fix CompletionFuture bugs
Rename SubmitTask to TaskRequest
RunTask is replaced with TaskRequest
Using ClosureSerializer in submitTask