supervisor and svc pkg versions in sup log output
supervisor and svc pkg versions in sup log output

This change is aimed at humans reading Habitat Supervisor
logs and wishing to know precise versions of the Supervisor
and the Services that are running.

Signed-off-by: Jeremy J. Miller <112f489f6b265cdf4e4892f7b952cd36fc0ecd5f@chef.io>

habitat-sh/habitat,habitat-sh/habitat,habitat-sh/habitat,rsertelon/habitat,rsertelon/habitat,rsertelon/habitat,habitat-sh/habitat,rsertelon/habitat,rsertelon/habitat,rsertelon/habitat,rsertelon/habitat,habitat-sh/habitat,habitat-sh/habitat,habitat-sh/habitat,habitat-sh/habitat