Allow sending extra headers with e-mails
Review Request #7556 — Created July 28, 2015 and submitted
The review e-mail infrastructure is now capable of sending custom
headers. This is useful for example, for sending a header specifying
that a review contains only a "Ship It!".
Ran unit tests.
Tool: Pyflakes Processed Files: reviewboard/notifications/email.py reviewboard/notifications/tests.py Tool: PEP8 Style Checker Processed Files: reviewboard/notifications/email.py reviewboard/notifications/tests.py