Remove architecture planning documents for unstarted projects.
Remove redundant or irrelevant details, also clarify that we are using Docker.
Merge remote-tracking branch 'refs/remotes/origin/master' into remove-architecture-134
Remove remaining no longer relevant architecture docs, and move volume
manager into future plans.
Merge pull request #140 from ClusterHQ/remove-architecture-134

Remove architecture planning documents for unstarted projects.

Fixes #134.