Merge remote-tracking branch 'origin/master' into ssi

catalogue/catalogue_common_schema.sql

eos_wfe_scripts/current-workflows-on-EOSCTATAPE

mediachanger/Constants.hpp

objectstore/ArchiveRequest.cpp

objectstore/Backend.hpp

objectstore/BackendRados.cpp

objectstore/BackendRados.hpp

objectstore/BackendTest.cpp

objectstore/BackendVFS.cpp

objectstore/BackendVFS.hpp

objectstore/DriveRegister.cpp

objectstore/ObjectOps.hpp

objectstore/RetrieveRequest.cpp

scheduler/OStoreDB/OStoreDB.cpp

scheduler/OStoreDB/OStoreDB.hpp

scheduler/OStoreDB/OStoreDBFactory.hpp

scheduler/Scheduler.cpp

scheduler/Scheduler.hpp

scheduler/SchedulerDatabase.hpp

tapeserver/castor/messages/Constants.hpp