Mostly working but undocumented AWS support


Add to your config:
    "aws_access_key_id": "XXX",
    "aws_secret_access_key": "XXX",
    "regions": ["us-east-1"]
args: Include defaults for AWS
requirements: Specify boto version
helpers: More compatible string formatting
helpers: More specific imports
parser: Fix description
readme: Docs that this feature at least exists
Merge pull request #11 from josegonzalez/aws-autoscale-groups

Aws autoscale groups