Added DataTransferSession to cta-taped.

common/DriveState.hpp

scheduler/ArchiveMount.hpp

scheduler/CMakeLists.txt

scheduler/MountType.hpp

scheduler/RetrieveMount.hpp

scheduler/SchedulerDatabase.hpp

scheduler/TapeMount.hpp

scheduler/testingMocks/MockArchiveMount.hpp

...rver/castor/tape/tapeserver/daemon/DataTransferConfig.hpp

...ver/castor/tape/tapeserver/daemon/DataTransferSession.cpp

...ver/castor/tape/tapeserver/daemon/DataTransferSession.hpp

...stor/tape/tapeserver/daemon/TapeSingleThreadInterface.hpp

tapeserver/daemon/DriveHandler.cpp

tapeserver/daemon/DriveHandlerProxy.cpp

tapeserver/daemon/DriveHandlerProxy.hpp