Squashed 'chef-repo/cookbooks/ssh-hardening/' content from commit 56be8df

git-subtree-dir: chef-repo/cookbooks/ssh-hardening
git-subtree-split: 56be8df48b6891e688c24050b27fe8dc617d296a
Merge commit '09cac76ec2bf70cb008e1f634d76455b4fb8ad0d' as 'chef-repo/cookbooks/ssh-hardening'