* nosh system module: fixes and improvements
documentation:
* fleshed out and fixed to better follow the official guidelines
consistency:
* the following facts will now always be returned on success: name,
service_path, enabled, preset, user, status
* state is only returned when the state option is used
* state and status will be null if the service is not loaded by the end
of the task
* [nosh]: PEP8 fix
4ffd60a406