Fix to work when a port is specified in the .tbssh file.
Fix to work when a port is specified in the .tbssh file.

Also, remove some modles we don't actualy use, so that it can be
more easily compiled into a binary.

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