fix(*): fix license headers

doc(workflow): fix references to 'dm' commands

doc(chart_format): fix title and intro

This is no longer a proposal, so the intro now reflects that.

Fix backwards link markdown in README

Third round of refactoring for Manager

Write some new unit tests for expandybird

Fix expandybird Python importing to be lazy

This avoids the following bug:
template/main.py
template/z.py

main.py imports templates.z

Some nice cleanups now that pkg/registry is no longer needed

Second round of refactoring for Manager

test(cli): add test pattern for cli tests

circleci only supports go1.5

helm chart pack [PATH]

Expandybird: Fix Jinja file imports

First round of refactoring for Manager