Using Features Override to manage changes to a distribution
The Features module has become a de facto tool in configuration management in Drupal 7. In fact, most Drupal distributions now utilize Features to export configuration and handle updates to the configuration. There is one pitfall - Features was meant to be a way to export a feature set.
One of the benefits to using Drupal is harnessing the command line tool Drush. If you don’t know about Drush, I advise heading over the the