Finished the refactoring of the code the bulk calls to the DB in tape gateway.

castor/io/StreamEndNotificationFileErrorReportCnv.cpp

castor/io/StreamEndNotificationFileErrorReportCnv.hpp

castor/io/StreamFileErrorReportCnv.cpp

castor/io/StreamFileErrorReportCnv.hpp

castor/io/StreamFileMigratedNotificationCnv.cpp

castor/io/StreamFileMigratedNotificationCnv.hpp

castor/io/StreamFileRecalledNotificationCnv.cpp

castor/io/StreamFileRecalledNotificationCnv.hpp

castor/io/StreamFileToMigrateCnv.cpp

castor/io/StreamFileToMigrateCnv.hpp

castor/io/StreamFileToMigrateRequestCnv.cpp

castor/io/StreamFileToMigrateRequestCnv.hpp

castor/io/StreamFileToRecallCnv.cpp

castor/io/StreamFileToRecallCnv.hpp

castor/io/StreamFileToRecallRequestCnv.cpp

castor/io/StreamFileToRecallRequestCnv.hpp

castor/tape/gatewayprotocol/Imakefile

castor/tape/tapegateway/BaseFileInfo.cpp

castor/tape/tapegateway/BaseFileInfo.hpp

castor/tape/tapegateway/EndNotificationFileErrorReport.cpp