initial commit of changes for supporting links between ports with different capacity this relies on updated changes to RLI but also backwardly compatible with RLI v7.5
working source for support for links with endpoints with different bandwidths also supports bandwidths expressed in Mbps internally.
Merge branch 'variableBW' into swrouter
supports reservations made before the switch from Gbps to Mbps
fixed handling of intercluster links. maxing the load to 10G and properly recognizing intercluster links.
added adjustment in onlcrd::get_base_topology for reading in old reservations with Gbps links