Update Docker Swarm HA environment with changes from Docker Swarm environment
Update the README.md for the Consul-backed Docker Swarm environment
Finalize the instructions in README.md for users who want to run their own Docker Swarm cluster backed by Consul using Vagrant.
Rename directory for this project from "consul-docker-registrator" to "docker-swarm" to more accurately reflect the purpose of the files in this directory.