Initial SPLIT-HTTP support

nginx-ws.tpl

@@ -0,0 +1,13 @@
+    location LOCATION {
+        if ($http_upgrade != "websocket") {
+            return 404;
+        }
+        proxy_redirect off;
+        proxy_pass http://HOST:PORT;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    }