rails/rails — pull request #4470 by ndbroadbent (2012-01-15 02:39:38+00:00)
Title: Refactored watchable_args and build_original_fullpath methods in Rails::Application

Inspired by [line notes on fa1d9a8](https://github.com/rails/rails/commit/fa1d9a884c0d5b70c97442e3360ac98ca5fa4340#L7R155).