Merge remote-tracking branch 'origin/master' into merge-upstream

Conflicts:
	.travis.yml
	app/lib/user_settings_decorator.rb
	app/models/user.rb
	app/serializers/initial_state_serializer.rb
	app/views/stream_entries/_detailed_status.html.haml
	app/views/stream_entries/_simple_status.html.haml
	config/locales/simple_form.en.yml

config/settings.yml

@@ -25,6 +25,7 @@ defaults: &defaults
   favourite_modal: false
   delete_modal: true
   auto_play_gif: false
+  display_sensitive_media: false
   reduce_motion: false
   system_font_ui: false
   noindex: false