Upgrade to nubis_discovery v1.3.0
Upgrade to nubis_discovery v1.3.0

Fixes #563

limed/nubis-base,gozer/nubis-base,Nubisproject/nubis-base,tinnightcap/nubis-base,tinnightcap/nubis-base,limed/nubis-base,tinnightcap/nubis-base,Nubisproject/nubis-base,limed/nubis-base,gozer/nubis-base,gozer/nubis-base