Implemented Catalogue::createVirtualOrganization() + unit tests

catalogue/Catalogue.hpp

catalogue/CatalogueRetryWrapper.hpp

catalogue/CatalogueTest.cpp

catalogue/DummyCatalogue.hpp

catalogue/MysqlCatalogue.cpp

catalogue/MysqlCatalogue.hpp

catalogue/OracleCatalogue.cpp

catalogue/OracleCatalogue.hpp

catalogue/PostgresCatalogue.cpp

catalogue/PostgresCatalogue.hpp

catalogue/RdbmsCatalogue.cpp

catalogue/RdbmsCatalogue.hpp

catalogue/SqliteCatalogue.cpp

catalogue/SqliteCatalogue.hpp

common/CMakeLists.txt

common/dataStructures/VirtualOrganization.cpp

common/dataStructures/VirtualOrganization.hpp