stefanoverna/activeadmin-dragonfly — pull request #7 by gariggio (2014-03-05 19:07:27+00:00)
Title: Dragonfly::Middleware is already loaded

Dragonfly::Middleware is already loaded in 'dragonfly/rails/images'.
if you insert Dragonfly::Middleware middleware again you'll obtain 2 middleware in stack.
(see rake middleware)