- Mark more strings for further translations
- in verbose names
- in the __str__ method
- Turn all verbose names into lowercase
- Add more verbose names
- Set an ordering on gestion.EventCommentField
- More database constraints on EventCommentValue
- `TextField` is not nullable
(https://docs.djangoproject.com/en/1.11/ref/models/fields/#null)
- `unique_together` constraint on the two fk
- The models are moved to the `gestion` app
- A new field `associations` is added
- The location and datetime fields are removed in favour of a new model
`EventTimeSlot`
- The old events are migrated to the new app and linked to the
`cof_buro` association
- Move the model
- Add some BDS-related fields
- Add an `associations` fields to be able to separate the clubs between
the different associations using groups