* Update activation email
* Update trial upgrade emails
* Remove feedback emails
* Remove feedback email test
* Update welcome email (and send it earlier)
* Site setup emails
* Add create site emails for trialers
* Add check stats email
* Remove dead code
* Adjust site setup emails for users who are not on trial
* BCC myself on all new emails
* Use old phrasing in the welcome email
* Use site id instead of hostname for events
* Use site id in domain status check
* Revert change to tracking module
* Catch more places where link generation needed updating
* Rename site_id to domain
* Drop hostname index from events