New Feature/Enhancement:
1. Support to discover the gateway and switch that support Omada SDN platform. 
2. Add timeout mechanism during adopting the devices.

Note:
1. This version of software can be used in both Windows and Mac operation system.
2. Double click the software or run the command ˇ°java ¨Cjar **.jarˇ± to run the software on MacOS (**.jar is the name of this software).
3. To run this software, you need to install JRE 8.0 on your PC first.
4. Omada Controller and Discover Utility cannot run on the same computer at the same time.
