fix(groups): send error if +1 errored
fix(batch-update): send errors to client if batch-update found an error,
crash pid.
chore(bailey): fix bailey notifs to say Jan 31 for cut off dates @lemoness
Revert "chore(cluster): don't kill process until email sent"

This reverts commit 52df5341967ef294da75e5853d1c9a188088e5c1.