Added logging of all objects removal.

objectstore/Agent.cpp

objectstore/Agent.hpp

objectstore/AgentRegister.cpp

objectstore/ArchiveQueue.cpp

objectstore/ArchiveRequest.cpp

objectstore/BackendPopulator.cpp

objectstore/DriveRegister.cpp

objectstore/DriveState.cpp

objectstore/GarbageCollectorTest.cpp

objectstore/Helpers.cpp

objectstore/RetrieveQueue.cpp

objectstore/RetrieveQueue.hpp

objectstore/RetrieveQueueTest.cpp

objectstore/RetrieveRequest.cpp

objectstore/RetrieveRequest.hpp

objectstore/RootEntry.cpp

objectstore/RootEntry.hpp

objectstore/RootEntryTest.cpp

objectstore/SchedulerGlobalLock.cpp

objectstore/cta-objectstore-collect-orphaned-object.cpp