civicrm/civicrm-core — pull request #767 by eileenmcnaughton (2013-05-15 22:25:42+00:00)
Title: CRM-12628 rename non-standard MailingGroup DAO instead of hack. Also add...

... BAO for standardisation

This is because the Mailing Group BAO was walloping the Group BAO due to the distinct name of both being 'Group'