Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- Gemfile.lock
- app/controllers/accounts_controller.rb
- app/controllers/admin/dashboard_controller.rb
- app/controllers/follower_accounts_controller.rb
- app/controllers/following_accounts_controller.rb
- app/controllers/remote_follow_controller.rb
- app/controllers/stream_entries_controller.rb
- app/controllers/tags_controller.rb
- app/javascript/packs/public.js
- app/lib/sanitize_config.rb
- app/models/account.rb
- app/models/form/admin_settings.rb
- app/models/media_attachment.rb
- app/models/stream_entry.rb
- app/models/user.rb
- app/serializers/initial_state_serializer.rb
- app/services/batched_remove_status_service.rb
- app/services/post_status_service.rb
- app/services/process_mentions_service.rb
- app/services/reblog_service.rb
- app/services/remove_status_service.rb
- app/views/admin/settings/edit.html.haml
- config/locales/simple_form.pl.yml
- config/settings.yml
- docker-compose.yml

app/serializers/rest/account_serializer.rb

@@ -29,7 +29,7 @@ class REST::AccountSerializer < ActiveModel::Serializer
   end
 
   def url
-    TagManager.instance.url_for(object)
+    ActivityPub::TagManager.instance.url_for(object)
   end
 
   def avatar

app/serializers/rest/status_serializer.rb

@@ -61,7 +61,7 @@ class REST::StatusSerializer < ActiveModel::Serializer
   end
 
   def uri
-    OStatus::TagManager.instance.uri_for(object)
+    ActivityPub::TagManager.instance.uri_for(object)
   end
 
   def content
@@ -69,7 +69,7 @@ class REST::StatusSerializer < ActiveModel::Serializer
   end
 
   def url
-    TagManager.instance.url_for(object)
+    ActivityPub::TagManager.instance.url_for(object)
   end
 
   def favourited
@@ -143,7 +143,7 @@ class REST::StatusSerializer < ActiveModel::Serializer
     end
 
     def url
-      TagManager.instance.url_for(object.account)
+      ActivityPub::TagManager.instance.url_for(object.account)
     end
 
     def acct