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

Conflicts:
- app/controllers/settings/preferences_controller.rb
- app/lib/user_settings_decorator.rb
- app/models/user.rb

Conflicts due to the addition of a new preference upstream,
“advanced layout”.

config/settings.yml

@@ -35,6 +35,7 @@ defaults: &defaults
   flavour: 'glitch'
   skin: 'default'
   aggregate_reblogs: true
+  advanced_layout: true
   notification_emails:
     follow: false
     reblog: false