zendesk/active_record_shards — pull request #28 by bquorning (2014-10-29 14:54:10+00:00)
Title: Rails 4.1 compatibility

Rails 4.1 removes the `HasAndBelongsToMany` preloader, to the changes in c91640a don't work anymore. @osheroff would you take a look at it, please?

cc @grosser @pschambacher