Updated version for next release cycle
Add more user-friendly log statements
Fix line lengths
Add travis status link to readme
Fix example node-spec in readme
Add text on logging dependencies to README

Closes #6
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
Merge release/0.2.2