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.

app/services/verify_link_service.rb

@@ -3,7 +3,7 @@
 class VerifyLinkService < BaseService
   def call(field)
     @link_back = ActivityPub::TagManager.instance.url_for(field.account)
-    @url       = field.value
+    @url       = field.value_for_verification
 
     perform_request!