Use database instead of objectstore for DriveHandler

catalogue/CatalogueTest.cpp

common/dataStructures/DriveStatus.hpp

common/dataStructures/TapeDrive.cpp

common/dataStructures/TapeDrive.hpp

objectstore/DriveState.cpp

objectstore/DriveState.hpp

scheduler/OStoreDB/OStoreDB.cpp

scheduler/OStoreDB/OStoreDB.hpp

scheduler/OStoreDB/OStoreDBFactory.hpp

scheduler/Scheduler.cpp

scheduler/Scheduler.hpp

scheduler/SchedulerDatabase.hpp

scheduler/SchedulerDatabaseTest.cpp

tapeserver/daemon/CMakeLists.txt

tapeserver/daemon/DriveConfig.cpp

tapeserver/daemon/DriveConfig.hpp

tapeserver/daemon/DriveHandler.cpp

tapeserver/daemon/FetchReportOrFlushLimits.hpp