Relax web server timeouts.

webserver.go

@@ -31,8 +31,7 @@ func webserver() {
 	go func() {
 		server := &http.Server{
 			Addr:              httpAddr,
-			ReadTimeout:  60 * time.Second,
-			WriteTimeout: 30 * time.Second,
+			ReadHeaderTimeout: 60 * time.Second,
 			IdleTimeout:       120 * time.Second,
 		}
 		var err error