Changes to geni lib script generation to reflect recent changes to geni-lib wrt the portal and request objects. Also use a top of the file doc string for the description.
Changes to geni lib script generation to reflect recent changes to
geni-lib wrt the portal and request objects. Also use a top of the
file doc string for the description.

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