Allianceauth-afat

Fixed

- Bootstrap CSS fix

Added

- Footer to promote help with the app translation

Changed

- German translation improved
- Russian translation improved
- Ukrainian translation improved

Added

- Models made translation-ready

Changed

- Translatable strings properly pluralized
- Task code cleaned up
- Error tracking for ESI fleets moved to the DB instead of being cached by Redis, as
Redis was too unreliable and there was a good chance the task stopped working
properly.
- German translation updated
- Russian translation updated

Changed

- German translation updated

Fixed

- Include Sunday in statistics again (Related to [251])

Fixed

- FATs by Weekday for Alliance are off by one day