Initial prototype, reports AMIs with no launch configs
Purging used AMIs

Attempts to purge AMIs for deletion that have known LCs using them.

Attempts to detect if any of the leftover AMIs ALSO have EC2 instances
currently allocated with them.
Reporting ec2 images that can be deleted
Fix indentation bug
Merge pull request #13 from vjanelle/multiple_elb_indent_fix

Multiple elb indent fix, ec2 ami cleaner report