Bump to 2.2.5

Bump dep versions; bump to 2.2.4

Add install/haproxy bundled script; bump to 2.2.3

Optimize expose command; bump to 2.2.2

Add support for OVERCAST_SSH_KEY/USER vars [fixes #60]; bump to 2.2.1

Upgrade minimist; add support for nested search in 'instance get'; bu…

…mp to 2.2.0

Add --only-once argument to run command; bump to 2.1.0

Fix sshkey command bug; bump to 2.0.10

Add --vpc-uuid arg, bump to 2.0.9

Use id instead of slug to allow for snapshots to be used during insta…

…nce creation [fixes #44]; bump to 2.0.8