..F....... [ZBXNEXT-219] re-factored CConfigurationImport to accept CImportReferencer and CImportedObjectContainer as constructor parameters;
..F....... [ZBXNEXT-219] re-factored CImportedObjectContainer to create object without additional constructor parameters and store and return processed host and template IDs instead of names;
..F....... [ZBXNEXT-219] moved imported host and template ID data storage outside of CImporter class.