Minor tweak; add interface to allow changing the saved argv so that passwords can be wiped from the adit email messages.
Minor tweak; add interface to allow changing the saved argv so that
passwords can be wiped from the adit email messages.

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