Use standard AWS environment variables
Use standard AWS environment variables

All SDKs now seems to use these variables: http://blogs.aws.amazon.com/security/post/Tx3D6U6WSFGOK2H/A-New-and-Standardized-Way-to-Manage-Credentials-in-the-AWS-SDKs

olorin/amazonka,fmapfmapfmap/amazonka