added puppet rspec and lint

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
add guard task with lint

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
fix linting errors

The following two were not fixed:

* manifests/puppetlabs.pp - WARNING: class inherits across module namespaces on line 34
* manifests/puppetlabs.pp - WARNING: class defined inside a class on line 34

Obviously this crazy construct is need and due to SRP we want to keep it inside this file/class.

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
Merge pull request #5 from TelekomLabs/lint

Lint