Fixing FanOutOnWriteService, fixing Sidekiq not having enough DB connections

in the pool, adding a throttle of 60rpm per IP, adding mini profiler, adding
admin status to users

app/lib/feed_manager.rb

@@ -6,6 +6,7 @@ class FeedManager
   end
 
   def self.filter_status?(status, follower)
+    replied_to_user = status.reply? ? status.thread.account : nil
     (status.reply? && !(follower.id = replied_to_user.id || follower.following?(replied_to_user)))
   end
 end