0.2.0

New features

• List of recipients can now contain groups URIs. The principals from the specified
  group that look like email addresses will be used as recipients (fixes #6)
• Support new variables like server root url or client IP address in email template (fixes #22)
• Add some validation when defining kinto-emailer settings in collections metadata (fixes #21)

0.1.0

Initial version

• Use a list of hooks to configure emails bound to notifications (fixes #11)
• Support kinto-signer events (fixes #14)