Merge branch 'chat-federation-information' into 'develop'

CHANGELOG.md

docs/API/differences_in_mastoapi_responses.md

lib/pleroma/user.ex

lib/pleroma/web/activity_pub/activity_pub.ex

.../activity_pub/object_validators/chat_message_validator.ex

lib/pleroma/web/activity_pub/views/user_view.ex

lib/pleroma/web/api_spec/operations/account_operation.ex

lib/pleroma/web/api_spec/schemas/account.ex

...leroma/web/mastodon_api/controllers/account_controller.ex

lib/pleroma/web/mastodon_api/views/account_view.ex

...igrations/20200703101031_add_chat_acceptance_to_users.exs

priv/static/schemas/litepub-0.1.jsonld

test/fixtures/tesla_mock/admin@mastdon.example.org.json

test/user_test.exs

test/web/activity_pub/activity_pub_test.exs

...b/activity_pub/object_validators/chat_validation_test.exs

test/web/activity_pub/views/user_view_test.exs

...ontrollers/account_controller/update_credentials_test.exs

test/web/mastodon_api/views/account_view_test.exs