New delivery mechanism - Githubissues

Rebrand format to deliver. Formatters are now deliverers. CSVStringFormatter becomes a CSVStringDeliverer.

This allows implementations for CRMs and direct delivery mechanisms, like...

Place in a user's Follow Up Boss
Place in AgentWise
Place in kvCORE
Email CSV attachment
Upload CSV to a Couchdrop folder
(Hopefully) Trigger a Zapier workflow/connect to a Zapier account/something applicable

BaseOutputFormatter becomes BaseDeliverer, and .format_md5s method becomes .deliver.

Standard-Labs / real-intent