snowplow/snowplow — pull request #534 by pkallos (2014-02-21 02:35:56+00:00)
Title: Change to scala-stream-collector: support for IAM roles.

Add a new config option for aws.access-key and aws.secret-key.
If set to 'iam', use scalaz CredentialsProvider.InstanceProfile
to set up API credentials.