feat(docker registry): add Vagrantfile for Docker registry

Adds a contrib/docker-registry directory with a Vagrantfile that
configures and starts a VM with the Docker registry service.
chore(*): rely on etcdctl in deis/base

As of deis/base#4, etcdctl v0.4.2 includes the --no-sync option.
We no longer need to install an etcdctl branch just to get this
option.
Merge pull request #1163 from deis/remove-etcdctl

chore(*): rely on etcdctl in deis/base
chore(builder): rely on deis/base to manage confd

Please test this PR in conjunction with deis/base#3
Merge pull request #1161 from deis/confd-v0.4.1

chore(builder): rely on deis/base to manage confd
fix(docker-registry): up timeout

Slow connections wouldn't pull the image in under 90 seconds.
Merge pull request #1135 from deis/feat-local_registry

feat(docker registry): add Vagrantfile for Docker registry
test(component): add dummy `make test` to deis/registry
test(controller): added unit tests to `make test-unit` for CI
test(utils) : add basic functional test files
refactor(tests): rewrite basic vagrant integration test in Go
fix(registry/test): use env vars for docker daemon connection info
test(refactor_code) : refactor code added dockercliutils
fix(logger/Makefile): update test-functional target for vendored $GOPATH
refactor(tests): added tests/utils go package
fix(tests): try to scale "cmd" if "web" process type fails
chore(tests): update vendored docker to 1.0.1
refactor(tests): add etcd and mock utility packages
test(workingframework):framework working

Added component tests for all the services and tested .
test(integration): triage go errors