Updated version for next release cycle
Add travis status to readme
Remove empty node namespace
Stop lein pedantic from complaining
Fix dev logging config
Improve exception handlin in api processor
Add keypair and security-group functions

Adds async functions to ensure a keypair and a security-group exists,
and to open a port on a security-group.
Use RELEASE for the release plugin version
Updated project.clj, release notes and readme for 0.2.0
Merge release/0.2.0