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

Conflicts:
- app/controllers/accounts_controller.rb
- app/controllers/follower_accounts_controller.rb
- app/controllers/statuses_controller.rb

All conflicts caused by the additional `use_pack` used for glitch-soc's theming
system.

app/controllers/follower_accounts_controller.rb

@@ -7,6 +7,7 @@ class FollowerAccountsController < ApplicationController
     respond_to do |format|
       format.html do
         use_pack 'public'
+        mark_cacheable! unless user_signed_in?
 
         next if @account.user_hides_network?