Release v0.19.0 - Add param for expand-ac-groups
Release v0.19.0 - Add param for expand-ac-groups

- Enable configurable expand-ac-groups in vas.conf
- Use stdlib v4.10.0 for bool2str()
- Update testing rig
  - Use community ling plugin
  - Satisfy Rubocopy & Puppet-lint

Phil-Friderici/puppet-module-vas,Phil-Friderici/puppet-module-vas,Ericsson/puppet-module-vas,boandersson/puppet-module-vas,Ericsson/puppet-module-vas,boandersson/puppet-module-vas