Initial all-in-one Dockerfile.
Configure Docker containers for Redis filesystem persistence.
Update Docker image with authorized ssh key available via LastPass Shared-Substantial-Dash
Avoid hostname resolution for Redis connections.
Revise README w/ ssh identity guidance.
Patch OpenSSL #heartbleed; upgrade from Ubuntu 12 to 13.
Merge pull request #3 from substantial/docker

Initial all-in-one Dockerfile.