theodi/open-data-certificate — pull request #404 by benfoxall (2013-07-18 14:14:27+00:00)
Title: Purge response sets

This adds the rake task `odc:purge_questionnaires` - which will remove all questionnaires that are more than 12 hours old and aren't linked to a user.

Also, response set now destroys dependant certificates - which may have been the cause of [this error](https://theodi.airbrake.io/groups/63138563)