Redirect to new form (beginexp.php3) and get rid of hardwired emulab address while I'm at it.
Redirect to new form (beginexp.php3) and get rid of hardwired
emulab address while I'm at it.

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