Hyperspace cleanup and doxygen comments
issue 1150: fixed bad Hyperspace attr_set assert
Got rid of log message in OperationRecover constructor
Fixed a problem with dumplog --linked-logs
Create phantom log in directory _xfer
Increment parent reference count only if fragment is added in CommitLogReader
Fix to recent ThriftBroker change to allow connection pooling
Improved maintenance scheduler debug trace
issue 1151: Fixed phantom range log problem causing commit log from getting reaped