bazaarvoice/cloudformation-ruby-dsl — pull request #15 by epelletier (2014-05-13 20:49:33+00:00)
Title: Grabs the region from the EC2_REGION or AWS_DEFAULT_REGION env variables

us-east-1 is not always a good default value. Some users have the region defined in an environment variable to be used by AWS CLI tools and SDKs.