Use hostnames from the database, rather than the ones reported by Ganglia - we want to be consistent, and we don't get Ganglia data from all hosts all the time.
Use hostnames from the database, rather than the ones reported by
Ganglia - we want to be consistent, and we don't get Ganglia data
from all hosts all the time.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome