Merge branch 'remake-remodel-2' into 'develop'

COPYING

lib/pleroma/object/containment.ex

lib/pleroma/web/activity_pub/activity_pub.ex

lib/pleroma/web/activity_pub/builder.ex

lib/pleroma/web/activity_pub/object_validator.ex

.../web/activity_pub/object_validators/common_validations.ex

...ma/web/activity_pub/object_validators/create_validator.ex

...roma/web/activity_pub/object_validators/like_validator.ex

...roma/web/activity_pub/object_validators/note_validator.ex

...oma/web/activity_pub/object_validators/types/date_time.ex

...oma/web/activity_pub/object_validators/types/object_id.ex

lib/pleroma/web/activity_pub/pipeline.ex

lib/pleroma/web/activity_pub/side_effects.ex

lib/pleroma/web/activity_pub/transmogrifier.ex

lib/pleroma/web/common_api/common_api.ex

...pleroma/web/mastodon_api/controllers/status_controller.ex

test/notification_test.exs

test/object_test.exs

test/stat_test.exs

test/tasks/database_test.exs