dal patch to fix ADTCC-283 (inefficient get_parents()) and ADTCC-286 (unnecessary preload of resource objects)
=== dal ===
replace preload of components by segments, resource sets and racks; fix ADTCC-286 issue (Igor Soloviev) replace std::lsit by std::vector for performance improvements (Igor Soloviev) improve get_parents() for segment objects to fix ADTCC-283 (Igor Soloviev) Add centos9 hw tags for x86_64, aarch64 (Reiner Hauser)