EllisLab/CodeIgniter — pull request #2647 by richardkmiller (2013-09-18 18:17:39+00:00)
Title: A config file that's shared across all environments

Small commit, but it was helpful to us to move all the common configuration from development/config.php, staging/config.php, production/config.php into a single all/config.php that's loaded for every environment, in addition to the environment-specific settings.