Import/merge gimite/web-socket-js up to da7caff96496c7d7bfb3.

Bug fixes, restore RFC2817 proxy for non wss://, and handle new
closing handshake from WebSockets 76.

include/web-socket-js/sample.html

@@ -15,6 +15,8 @@
     
     // Set URL of your WebSocketMain.swf here:
     WebSocket.__swfLocation = "WebSocketMain.swf";
+    // Set this to dump debug message from Flash to console.log:
+    WebSocket.__debug = true;
 
     var ws;