cakephp/cakephp — pull request #772 by bar (2012-08-13 14:02:47+00:00)
Title: The actual config file must always have .php extension.

From:
https://github.com/cakephp/cakephp/pull/768#issuecomment-7684195
https://github.com/cakephp/cakephp/pull/770/files#r1361843