Think about date and time fields in the ontology

[lecoqlibre]

The Order:date is now a datetime.

• still have to update the owl @Alcoz

We should check all the datetime fields in the ontology to make sure managing the time is properly done (timezone, etc).

[RaggedStaff]

Has this been done as part of the clean up ?

Do we need a complete list of which classes/attributes are affected ?