Move disk space reservation methods to catalogue.

catalogue/Catalogue.hpp

catalogue/CatalogueRetryWrapper.hpp

catalogue/DummyCatalogue.hpp

catalogue/RdbmsCatalogue.cpp

catalogue/RdbmsCatalogue.hpp

common/CMakeLists.txt

common/dataStructures/DiskSpaceReservationRequest.cpp

common/dataStructures/DiskSpaceReservationRequest.hpp

scheduler/CMakeLists.txt

scheduler/DiskSpaceReservation.cpp

scheduler/OStoreDB/OStoreDB.cpp

scheduler/TapeDrivesCatalogueState.cpp