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/routes.rb

@@ -74,6 +74,7 @@ Rails.application.routes.draw do
   get '/@:username', to: 'accounts#show', as: :short_account
   get '/@:username/with_replies', to: 'accounts#show', as: :short_account_with_replies
   get '/@:username/media', to: 'accounts#show', as: :short_account_media
+  get '/@:username/tagged/:tag', to: 'accounts#show', as: :short_account_tag
   get '/@:account_username/:id', to: 'statuses#show', as: :short_account_status
   get '/@:account_username/:id/embed', to: 'statuses#embed', as: :embed_short_account_status
 
@@ -119,6 +120,7 @@ Rails.application.routes.draw do
     resource :migration, only: [:show, :update]
 
     resources :sessions, only: [:destroy]
+    resources :featured_tags, only: [:index, :create, :destroy]
   end
 
   resources :media, only: [:show] do