[os-generic-queues] Adds three RetrieveQueue types

objectstore/AlgorithmsTest.cpp

objectstore/CMakeLists.txt

objectstore/ObjectOps.hpp

objectstore/RetrieveQueue.hpp

objectstore/RetrieveQueueFailedAlgorithms.cpp

objectstore/RetrieveQueueToReportAlgorithms.cpp

objectstore/RetrieveQueueToTransferAlgorithms.cpp

scheduler/OStoreDB/OStoreDB.cpp