Merge into master from pull request #145:

...odlightcontroller/core/module/FloodlightModuleLoader.java

src/main/java/net/floodlightcontroller/packet/Ethernet.java

src/main/java/net/floodlightcontroller/util/MACAddress.java

...ightcontroller/virtualnetwork/IVirtualNetworkService.java

...ghtcontroller/virtualnetwork/forwarding/HostResource.java

...controller/virtualnetwork/forwarding/NetworkResource.java

...oller/virtualnetwork/forwarding/VirtualNetworkFilter.java

.../virtualnetwork/forwarding/VirtualNetworkWebRoutable.java

...es/net.floodlightcontroller.core.module.IFloodlightModule

src/main/resources/quantum.properties

...r/virtualnetwork/forwarding/VirtualNetworkFilterTest.java