This change attempts to run tests as close to CI as possible. It
introduces a docker-compose file that deploys some supporting
services. While this change makes it possible to run tests locally,
it does not address the core time it takes to run tests end to end.
make test/postgres 1417.87s user 263.38s system 291% cpu 9:37.73 total
Resolves https://github.com/storj/dev-enablement/issues/10
Change-Id: I4d9adc125992c1b1c133e8fe108384fa3c66ff7a
