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

Conflicts:
	db/migrate/20170716191202_add_hide_notifications_to_mute.rb
	spec/controllers/application_controller_spec.rb

Took our version, upstream changes were only minor style linting.

spec/lib/feed_manager_spec.rb

@@ -400,7 +400,7 @@ RSpec.describe FeedManager do
     end
 
     it 'sends push updates' do
-      status  = Fabricate(:status)
+      status = Fabricate(:status)
 
       FeedManager.instance.push_to_home(receiver, status)