Fail gracefully if the Sendgrid API is down so admin doesn't crash.
Fix bug in member activity rule that counts a 'subscribed' event on an action page as 'action_taken'

Remove JoinModule from this list cutting filter b/c we don't care how many time members have joined. We might care when they joined, which the join_date_rule satisfies.
Merge branch 'refs/heads/develop-fftf'