Update to pallet-aws-ops 0.2.0
Remove hardware-name

The name is translated in awaze, so can be passed directly here.

Closes #1
Fix destroy-node implementation

Was incorrectly using :instance-id rather than :instance-ids.
Use RELEASE for the release plugin version
Add example IAM node-spec to README
Updated project.clj, release notes and readme for 0.2.2
Updated version for next release cycle