bspawn tweaks and bugfix
bspawn tweaks and bugfix

fix grammar in comment
always use creator args if pilosaHosts isn't set
use creator's FinalHosts rather than Hosts

alanbernstein/pilosa,alanbernstein/pilosa,raskle/pilosa,raskle/pilosa,raskle/pilosa,travisturner/pilosa,linhvo/pilosa,alanbernstein/pilosa,linhvo/pilosa,linhvo/pilosa