Resolve "[OAuth] Endpoint URLs broken in recent refactoring"

Closes #537

See merge request !775

Resolve "Form and model extensions imported in wrong order"

Closes #538

See merge request !776

Merge branch '538-form-and-model-extensions-imported-in-wrong-order' into 537-oauth-endpoint-urls-broken-in-recent-refactoring

Update django-titofisto to support public namespace

See merge request !771

Resolve "Left-over code from optional Celery"

Closes #536

See merge request !773

Bump version to 2.2.dev0

See merge request !769

Prepare release 2.1

See merge request !768

Update dependencies and poetry lock file

See merge request !767

Resolve "Add Birthplace to Core Data"

Closes #524

See merge request !751

Update dependency django-bleach to ^0.9.0

See merge request !722

Resolve "Default ADMINS setting broken"

Closes #534

See merge request !764

Welcome new contributors in changelog

See merge request !766

[OAuth] Add skip_authorization to detail view

See merge request !765

Resolve "[OAuth] Allow limiting scopes per application"

Closes #532

See merge request !759

Merge remote-tracking branch 'origin/532-oauth-allow-limiting-scopes-per-application' into 524-add-birthplace-to-core-data