civicrm/civicrm-core — pull request #4744 by totten (2014-12-18 07:07:31+00:00)
Title: CRM-15578 - Rename crmMailing2, crmMailingAB2 to remove "2"

Also:
* Remove old crmMailing - this has been assimilated.
* Rename old crmMailingAB to crmMailingAB.orig - this still has material to be assimilated.