Sweeping !30136 from 21.2 to master. Add a slightly more automatic way to configure HbbTag (!30268) · Merge requests · atlas / athena · GitLab

Atlas Nightlybuild requested to merge cherry-pick-0924f8a9d1-master into master Feb 11, 2020

Add a slightly more automatic way to configure HbbTag

See merge request !30136 (merged)