feat(helm): add helm repo list command

feat(helm): add helm repo add command

docs(README): udate core docs pre-merge

feat(kube): add kubernetes client

docs(*): add arch, charts, and quickstart docs

fix(Makefile): build before testing

Make sure all fields are marked optional or required in the doc.

feat(helm): add a very basic lint command

feat(tiller): implement get and status

ref(init): save helm paths to variables

This adds a lint command that just checks to see if the chart is
parseable and if the templates are paresable.

fix(golint): fix printing blank lines

feat(helm): implement 'helm remove'

fix(storage): add mutex to in-memory

feat(tiller): add support for dry run install

This adds a RW Mutex on the in-memory storage.

This adds support for dry run on install, as well as providing
enough info for an install to display (verbose) manifests. While
doing this, I ended up just storing the rendered manifests for
simplicity.

feat(engine): add recursive template resolution

feat(tiller): add initial tiller client for basic helm installs.

feat(helm): add local chart repository workflow spike