Fix crash when creating activities if we don't have a source contact ID (eg....

See merge request !6

Fix crash when creating activities if we don't have a source contact ID (eg. when triggered via API3 explorer). We now default to the current logged in contact ID if not set

Add CC/BCC. Fix bug that email activity not created if no messages are blocked

See merge request !5

Check for user message templates as well as system workflow

See merge request !4

Fix another php notice

See merge request !3

Fix PHP notice when registering for event

See merge request !2

Merge https://github.com/mjwconsult/civicrm-emailreceipts

See merge request !1

Log an info message when messages are blocked (avoid driving people crazy, wondering why receipts are not sent).