* Code Janitor time! Many fixes and documenting fixes that should be
done in the future. for the most part, this is a general code cleanup.
* On smaller/embedded systems, the "final" keyword cleanups will have
more of an impact than on larger systems.
* Document missing hashCode() methods.
* Unhide more variables to make code easier to read.
the UPnP device goes away - same as for HTTP POST
- Stuff the port mapping requester into a thread so it doesn't
delay everything for several seconds
- Handle UPnP devices that return IP = 0.0.0.0
- Better HTML output when no IP found
- Tweak logging
- Set Disposer thread name
- Keep the control point running after we find an IGD,
so that we get notifications of it leaving or
coming back or replaced.
