Add a remote probetest service that will allow proxies to test their
compatability with symmetric NATs.

Trac: 32499

Trac 30310

There's a default alias for icons/ in apache,
https://www.electrictoolbox.com/apache-icons-directory/

Arlo Breault authored 5 years ago and Cecylia Bocovich committed 5 years ago

Trac 27385

 * Start of #30

Patch server.go to refer to out-of-tree websocket library.

To make room for the WebSocket server we're actually going to use as a
primary server. Move server-webrtc docs to server-webrtc/README.md.