please allow port to be set in traceroute utility UI

[rhbecker]

The socket utility UI allows a port to be set ...

The traceroute utility UI does NOT allow a port to be set ...

[sohmuijai]

I had to use this too, added to the code, but I don't know how to do a Pull Request properly...
#36

[titans-of-code]

Please sync with the latest version and then submit your changes for review.