Pre-release cleanup

[nrbgt]

In preparation for #30

• [x] bump lab
• [x] resolve env
• [x] ci with built artifacts
• [x] review packaged contents
• [x] copyright/license headers
• [x] preflight dodo

[nrbgt]

While I don't think we're ready to release, I think we (squash) merge this, and continue trucking on some other stuff...