Added delete functionality to the Catalogue

catalogue/CMakeLists.txt

catalogue/Catalogue.hpp

catalogue/DbStmt.hpp

catalogue/InMemoryCatalogueTest.cpp

catalogue/OcciStmt.cpp

catalogue/OcciStmt.hpp

catalogue/OracleCatalogue.cpp

catalogue/OracleCatalogue.hpp

catalogue/RdbmsCatalogue.cpp

catalogue/RdbmsCatalogue.hpp

catalogue/RequesterAndGroupMountPolicies.hpp

catalogue/SqliteCatalogue.cpp

catalogue/SqliteCatalogue.hpp

catalogue/SqliteConn.cpp

catalogue/SqliteConn.hpp

catalogue/SqliteStmt.cpp

catalogue/SqliteStmt.hpp

catalogue/sqlite_catalogue_schema_header.sql

catalogue/sqlite_catalogue_schema_trailer.sql

scheduler/SchedulerTest.cpp