A bunch of code to implement class renaming.  Net effect is that the names of the traffice instances now reflect the variables they are stored in, same as nodes and links.
A bunch of code to implement class renaming.  Net effect is that the names
of the traffice instances now reflect the variables they are stored in,
same as nodes and links.

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