In Odoo v14, ir.actions.act_window have only access rights for admin while a user had read access in previous versions. Odoo provides now a function (_for_xml_id) that returns the action read with sudo.
* Update README
* Python 2to3
* Move relation menus items under contacts
* Fix date comparison
* Fix cache invalidate on relation write
* Bump module version
* Remove test_relation_type_unlink_dberror
This test is not required because it tests a standard behavior of SQL.
If a foreign key column is not nullable, then the foreign row can not be deleted.
* Remove utf8 encoding comment
* Add missing dependency for partner_multi_relation
* Add missing active_test in view action