https://github.com/ansible/ansible/issues/10840
before
RDS: `ERROR: Inventory script (ec2.py) had an execution error: Forbidden`
EC2: `ERROR: Inventory script (ec2.py) had an execution error: Error connecting to AWS backend.
You are not authorized to perform this operation.`
after
RDS: `ERROR: Inventory script (ec2.py) had an execution error: ERROR: "Forbidden", while: getting RDS instances`
EC2: `ERROR: Inventory script (ec2.py) had an execution error: ERROR: "Error connecting to AWS backend.
You are not authorized to perform this operation.", while: getting EC2 instances`
renamed plugins to contrib (they are not really plugins)
rewrote README.md to reflect new usage
added new dir to setup.py so it gets copied with installation, in views
of making using inventory scripts easier in teh future
