crmUiLabel - On error, log more debug details
crmMailing2 - Add "summary.html"
crmMailing2 - Add "mailing.html"
crmMailing2 - Add basic body_text / body_html
crmMailing2 - Add recipients to "mailing.html"
crmMailing2 - Add "tracking.html"
crmMailing2 - Add "responses.html"
crmMailing2 - Add "publication.html"
crmMailing2 - Add "headerFooter.html"
crmMailing2 - CSS