Merge branch 'rs-milestones-base-service-parity' into 'master'

Bring CE-EE parity to app/services/milestones/base_service.rb

See merge request gitlab-org/gitlab-ce!19018

app/services/milestones/base_service.rb

@@ -5,6 +5,7 @@ module Milestones
 
     def initialize(parent, user, params = {})
       @parent, @current_user, @params = parent, user, params.dup
+      super
     end
   end
 end