Revivify mock device manager, redo devicemanageraware

...dlightcontroller/devicemanager/DeviceAttachmentPoint.java

...odlightcontroller/devicemanager/DeviceNetworkAddress.java

.../java/net/floodlightcontroller/devicemanager/IDevice.java

...oodlightcontroller/devicemanager/IDeviceManagerAware.java

...dlightcontroller/devicemanager/IDeviceManagerService.java

...t/floodlightcontroller/devicemanager/internal/Device.java

...tcontroller/devicemanager/internal/DeviceManagerImpl.java

...java/net/floodlightcontroller/routing/ForwardingBase.java

...troller/devicemanager/internal/DeviceManagerImplTest.java

...lightcontroller/devicemanager/test/MockDeviceManager.java

...ava/net/floodlightcontroller/test/FloodlightTestCase.java