[catalogue] Changes type of file owner user and group from string to numeric uid/gid

catalogue/ArchiveFileRow.cpp

catalogue/ArchiveFileRow.hpp

catalogue/Catalogue.hpp

catalogue/CatalogueRetryWrapper.hpp

catalogue/CatalogueTest.cpp

catalogue/DummyCatalogue.hpp

catalogue/MysqlCatalogue.cpp

catalogue/OracleCatalogue.cpp

catalogue/PostgresCatalogue.cpp

catalogue/RdbmsCatalogue.cpp

catalogue/RdbmsCatalogue.hpp

catalogue/RdbmsCatalogueGetArchiveFilesForRepackItor.cpp

catalogue/RdbmsCatalogueGetArchiveFilesItor.cpp

catalogue/SqliteCatalogue.cpp

catalogue/TapeFileSearchCriteria.hpp

catalogue/TapeFileWritten.cpp

catalogue/TapeFileWritten.hpp

cmdline/CtaAdminCmdParse.hpp

cmdline/EosCtaStub.cpp

common/CMakeLists.txt