fog/fog — pull request #2916 by krames (2014-05-09 21:45:26+00:00)
Title: [rackspace] updating authentication endpoints

Updating authentication endpoints.

This should address the following [stack overflow](http://stackoverflow.com/questions/23184560/when-saving-a-file-to-rackspace-cloudfiles-using-paperclip-fog-a-timeout-occurs/23222021?noredirect=1#comment35555691_23222021) issue.