- Add method in LocalDevice class to write its class to the dongle

- Rework and style the DeviceClass class
- Implement option "Identify host as..." in preferences with mentioned method, this should allow us to be visible to more RemoteDevices



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31502 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/bluetooth/LocalDevice.h

@@ -34,6 +34,8 @@ public:
 			DiscoveryAgent*	GetDiscoveryAgent();
 			BString			GetFriendlyName();
 			DeviceClass		GetDeviceClass();
+			status_t		SetDeviceClass(DeviceClass deviceClass);
+			
 	/* Possible throwing */
 			status_t		SetDiscoverable(int mode);