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

Conflicts:
- README.md
- app/helpers/statuses_helper.rb
  Upstream moved account helpers to their own file, we had extra
  helpers there, moved too.
- app/lib/sanitize_config.rb
- app/models/user.rb
- app/serializers/initial_state_serializer.rb
- config/locales/simple_form.en.yml
- spec/lib/sanitize_config_spec.rb

config/locales/en.yml

@@ -175,6 +175,7 @@ en:
         user: User
       salmon_url: Salmon URL
       search: Search
+      search_same_ip: Other users with the same IP
       shared_inbox_url: Shared inbox URL
       show:
         created_reports: Made reports
@@ -588,6 +589,7 @@ en:
     confirmation_dialogs: Confirmation dialogs
     discovery: Discovery
     sensitive_content: Sensitive content
+    toot_layout: Toot layout
   application_mailer:
     notification_preferences: Change e-mail preferences
     salutation: "%{name},"