Use librarian-puppet-maestrodev.

There are issues with librarian-puppet that the maestrodev version fixes.
The main one being that it will actually respect Puppetfile.lock.
Merge pull request #6 from rjw1/use-librarian-puppet-maestrodev

Use librarian-puppet-maestrodev.
Merge upstream gds-operations/puppet-skeleton

Conflicts:
	Gemfile
	Gemfile.lock
Add another hiera.yaml for production

With a different hieradata directory.