Fixes #5: Ensured that the app registry used for deserialization is that provided by the migration, not the current app registry which may not match the current state of the database or the fixture itself.
Fixes #5: Ensured that the app registry used for deserialization is that provided by the migration, not the current app registry which may not match the current state of the database or the fixture itself.

raphaelfruneaux/django-migration-fixture,alexhayes/django-migration-fixture