AC: Always exit 0 from scripts
AC: Improve handling of carriage returns and newlines in SSH/SCP buffers
AC: Set scrub_data to true when destroying a DO droplet
AC: Don't wait for droplets to finish being destroyed
AC: Allow SSH connections to many instances at once :trollface:
AC: Support [instance|cluster] [subcommand] help
AC: Replace integration tests with more rigorous unit tests. Leaving only happy-path integration tests.
AC: Support linode [subcommand] help
AC: Support digitalocean [subcommand] help
AC: Update documentation. Bump to 0.3.0.
AC: Minimize number of process.exit calls, misc cleanup
AC: Bump to 0.3.1, default images to Ubuntu 14.04 LTS
wip