Squashed 'files/plugins/puppet/' content from commit ff589c3

git-subtree-dir: files/plugins/puppet
git-subtree-split: ff589c3cf85c028e18e1f55e8a78b7db57e12bd9
Merge commit 'bf4e7dc950aa22ac0d3282240f01f3ef84c0aaee' as 'files/plugins/puppet'
adds puppet plugin integration

- integration for clients (roll out cmk puppet check)
- integration for servers (roll out cmk puppet server part)
add changes as discussed in https://github.com/GRIF-IRFU/puppet-omd/pull/9
Merge pull request #9 from azet/feature-puppet-integration

Feature puppet integration