Support link shaping in NS -> geni-lib path
The strategy here is to use explicit bridge nodes rather than "magic" delay nodes, and to use a simple set of heuristics to decide when (plr > 0, latency > 0, or bw not in {10,100,1000,100000}Mbps
The strategy here is to use explicit bridge nodes rather than "magic" delay nodes, and to use a simple set of heuristics to decide when (plr > 0, latency > 0, or bw not in {10,100,1000,100000}Mbps