CRM-15578 - crmMailing2 - Skeleton for new page
CRM-15578 - crmUiAccordion - Basic implementation
CRM-15578 - crmUiWizard - Basic implementation
CRM-15578 - crmMailing2 - Better buttons in skeleton
CRM-15578 - crmUiTabSet - Basic implementation
CRM-15578 - crmMailing2 - Add <form>, top-level CSS, and alternative layouts (/mailing2/new/unified, /mailing2/new/unified2, /mailing2/new/wizard)
CRM-15578 - crmMailingToken - Basic implementation
CRM-15578 - crmMailingRecipients - Basic implementation
CRM-15578 - crmUiLabel - On error, log more debug details
CRM-15578 - crmMailing2 - Add dependency, dialogService
CRM-15578 - crmMailing2 - Add "summary.html"
CRM-15578 - crmMailing2 - Add "mailing.html"
CRM-15578 - crmMailing2 - Add basic body_text / body_html
CRM-15578 - crmMailing2 - Add recipients to "mailing.html"
CRM-15578 - crmMailing2 - Add "tracking.html"
CRM-15578 - crmMailing2 - Add "responses.html"
CRM-15578 - crmMailing2 - Add "publication.html"
CRM-15578 - crmMailing2 - Add "headerFooter.html"
CRM_Core_Error - Add debug_query_result() helper
CRM-15578 - Mailing API - Add "preview_recipients" action