Use http/1.1 for both websockets and regular rpc (#137)

With http/1.0 negotiation for websockets, the websocket negotiation will fail.

Author: linuskendall

doc/example-nginx-triton1.conf

@@ -22,6 +22,7 @@ http {
   server {
     listen 7900;
     location / {
+      proxy_http_version 1.1;
       proxy_set_header Upgrade $http_upgrade;
       proxy_set_header Connection "Upgrade";
       proxy_pass https://backend/YOUR_AUTH_TOKEN_HERE/;