Add a 'Sent Status Report' tab to Newsletters that shows the following 4 reports:
* Sending to the Following Recipients Failed
* Sending to the Following Recipients Bounced (@TODO: Make bounces actually show up here)
* The Newsletter has Never Been Sent to Following Subscribers
* Sending to the Following Recipients was Successful
More info: http://support.silverstripe.com/gsoc/wiki/GSoc07UsabilityElijah
(merged from branches/gsoc)
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@41995 467b73ca-7a2a-4603-9d3b-597d59a354a9