Slight mod to tb-set-node-tarfiles and rpms; If there is just a single argument, treat it as a string and first split it apart. This is a common error that many people make.
Slight mod to tb-set-node-tarfiles and rpms; If there is just a single
argument, treat it as a string and first split it apart. This is a
common error that many people make.

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