Two init scripts get installed on Ubuntu 16.04

[NicolasLM]

On Ubuntu 16.04, both the SYSV init script and systemd unit get installed. Moreover the service is not enabled automatically.

The part installing the scripts works well in the Consul playbook, it could be copied from there.

[brianshumate]

Thanks for this. Sorry for the lag, I was not watching the repo. 😬 Will address soon!