Add getopomap() routine, which just opens up the topomap file and returns it as a perl data structure to the caller. The caller is responsible for doing something meaningful with it.
Add getopomap() routine, which just opens up the topomap file and
returns it as a perl data structure to the caller. The caller is
responsible for doing something meaningful with it.

Remove the static-ddijk code I added for the OSDI paper (revision
1.107), since the new topomap stuff supercedes that.

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