gregbell/active_admin — pull request #1054 by marcusmateus (2012-02-20 22:08:10+00:00)
Title: Partial fix for #474: Use sass' image-url rather than depend on AA routes

Changed scss files to use sass' image-url rather than depend on AA routes

* Per http://guides.rubyonrails.org/asset_pipeline.html#css-and-sass
image-url is recommended in scss over using asset_path helpers