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”.

lib/mastodon/version.rb

@@ -13,7 +13,7 @@ module Mastodon
     end
 
     def patch
-      2
+      4
     end
 
     def pre