gregbell/active_admin — pull request #1938 by Daxter (2013-02-24 20:51:23+00:00)
Title: Refactor breadcrumb helper

+ removed unnecessary begin/rescue/end block; used nil-returning method alternatives
+ ActiveRecord#find accepts a string (even when searching for a numeric ID)
+ use `path` instead of `fullpath` to get rid of query parameters (we already leave them out)