CRM-15578 - Add crmMailingAB2 module (based on crmMailingAB). Add skeletal list/edit screens.
CRM_Mailing_Info - Fix warning
attachments.html - Remove one level of indirection
crmMailing2 - Autoformat
WIP - crmUiId, crmUiIdScope, crmUiFor, crmUiFieldzz