Merge branch 'use-reply-token'

* use-reply-token:
  Remove unnecessary reply token parameter
  Support old emails to today@ at the same time
  Use email reply token instead of today@trailmix
  Default emails from team@trailmix.life
Add FillInDateTransition for backfilling dates
Add a bang for extra safety reasons
Merge pull request #89 from codecation/transition-date-column

Backfill missing entry dates