Add the local clients advertise address to interpolation env vars
Add the local clients advertise address to interpolation env vars

This commit adds the Nomad local client advertise address in the
form host:port to the environment variables passed to each task.

nak3/nomad,dvusboy/nomad,burdandrei/nomad,hashicorp/nomad,dvusboy/nomad,dvusboy/nomad,dvusboy/nomad,nak3/nomad,burdandrei/nomad,dvusboy/nomad,hashicorp/nomad,nak3/nomad,burdandrei/nomad,burdandrei/nomad,hashicorp/nomad,nak3/nomad,burdandrei/nomad,hashicorp/nomad,dvusboy/nomad,nak3/nomad,hashicorp/nomad,dvusboy/nomad,burdandrei/nomad,nak3/nomad,hashicorp/nomad,nak3/nomad,burdandrei/nomad