Add Puppet Action

[highb]

I think it would be useful to add a Puppet action that would ensure puppet is installed, and then pass along the arguments given to puppet. In this way you could kick off puppet agent -t, install a package with puppet resource package or do any other one-time resource management supported by the RAL. A convenience method for installing modules would also be useful.

Chloride::Action::Puppet.new(host: host, cmd: "resource package nginx ensure=latest")
Chloride::Action::Puppet.new(host: host, cmd: "agent -t")

We'd want to ensure that the action works correctly with FOSS and PE. Not sure if we'd want to deal with 3.8 support initially.