Fixed DeviceManagerImplTest unit tests. TODO: With OpenFlowJ-Loxi, an untagged VLAN can be denoted with VlanVid.ZERO. Presently, it's VlanVid.of(-1), which was the case before integration of the new library. It makes more sense to have it as ZERO I think.
Merge branch 'master' of https://github.com/rizard/floodlight
Pull in Hung-Wei's WEBUI changes. Then, push Ryan's unit test changes to remote again.