Fix base-url

#7

Support for Docker TLS

main() now accepts -tls-cert, -tls-key, -tls-ca

Fix missing meta/data information on non-devicemapper host

Fix missing meta/data information on non-devicemapper host

Refactor check_docker to be more idiomatic

Refactor check_docker to be more readable and easier to test.

• check_docker now has both aufs and devicemapper testing environments.
• check_docker now uses the proper go-dockerclient library.
• check_docker now parses humanized byte sizes correctly.
• check_docker will tell you which container ID & image name that are bad.
• Testing is documented in README.md
• Public API is totally backward compatible.

Initial Public Release

This is the initial public release.

The tarball contains a Linux binary and a MacOSX binary. Both are statically compiled with no dependencies.