Don't e-mail users about review requests that they've muted.
Review Request #7304 — Created May 15, 2015 and submitted
If a user has chosen to mute a review request, they probably don't want to get
any notifications about it. This change adds some extra select statements to
filter those users out of the recipient list.
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