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

Conflicts:
- app/controllers/oauth/authorized_applications_controller.rb
  Two changes too close to each other
- app/controllers/settings/sessions_controller.rb
- app/lib/user_settings_decorator.rb
  Two changes too close to each other
- app/models/media_attachment.rb
  New changes too close to glitch-soc only changes.
- app/models/user.rb
  Two changes too close to each other.
- app/services/remove_status_service.rb
  Kept direct timeline code which had been removed upstream.
- app/views/settings/preferences/show.html.haml
  Two changes too close to each other.
- config/locales/en.yml
  Introduction of a new string too close to glitch-soc-only's “flavour”
- config/locales/ja.yml
  Introduction of a new string too close to glitch-soc-only's “flavour”
- config/locales/pl.yml
  Introduction of a new string too close to glitch-soc-only's “flavour”
- config/locales/simple_form.en.yml
  Introduction of a new string too close to glitch-soc-only's “skin”
- config/locales/simple_form.pl.yml
  Introduction of a new string too close to glitch-soc-only's “skin”
- config/settings.yml
  Reverted upstream's decision of enabling posting application by default.

config/i18n-tasks.yml

@@ -35,11 +35,8 @@ ignore_missing:
   - 'activemodel.errors.*'
   - 'activerecord.attributes.*'
   - 'activerecord.errors.*'
-  - '{devise,pagination,doorkeeper}.*'
+  - '{pagination,doorkeeper}.*'
   - '{date,datetime,time,number}.*'
-  - 'simple_form.{yes,no}'
-  - 'simple_form.{placeholders,hints,labels}.*'
-  - 'simple_form.{error_notification,required}.:'
   - 'errors.messages.*'
   - 'activerecord.errors.models.doorkeeper/*'
   - 'sessions.{browsers,platforms}.*'