Add Dockerfile for stock passenger image
Add Dockerfile for stock postgres image
Pull provisioning code from rails-embryo into Provision module
Add Provision::Server for quick DigitalOcean instantiation
Generalize location of ssh keys
Configure swap space on new droplets
Create a new server before each provision
Add Provision::Server#send_file to handle scp
Support remote server operation in Provision::DockerImage
Copy dockerfile directory to remote server before building
Use correct location for public key when adding to passenger container
Update to latest rspec
Release 0.2.0