rails/rails — pull request #9802 by gufo (2013-03-19 12:22:58+00:00)
Title: Fix missing action_missing

This reverts commit 7cc5bf51b4c16e89340b8c45ca0297e387226aaf, which assumed that all controller actions can be known beforehand - completely negating action_missing.

Also adds a test to ensure this mistake does not happen again.