Merge pull request #9 from torandu/working

Restore Gemfile
Fix rubocop offenses
Remove foodcritic, rubocop
Revert to ohai v6 to resolve breaking change in v7
Merge pull request #10 from torandu/rubocop-fixup

Fix rubocop offenses
Merge pull request #11 from torandu/update-gems

Remove foodcritic, rubocop
Fix rubocop offenses
Merge pull request #12 from torandu/rubocop-fixup

Fix rubocop offenses
Update dependencies; sync testing w/ upstream