Enhance WebSocket handling and log polling logic

ts/network_ts.ts

@@ -37,6 +37,7 @@ class Server {
     var url = this.protocol + wsHost + "/data/" + "?Token=" + getCookie("Token")
 
     data["cmd"] = this.cmd
+    var requestCmd:string = data["cmd"]
     var ws = new WebSocket(url)
     var isLogUpdate:boolean = data["cmd"] == "updateLog"
     var responseReceived:boolean = false
@@ -110,7 +111,7 @@ class Server {
       }
       finishRequest(errorState, false)
 
-      if (WS_AVAILABLE == false && isLogUpdate == false) {
+      if (WS_AVAILABLE == false && isLogUpdate == false && requestCmd != "getServerConfig") {
         alert("No websocket connection to xTeVe could be established. Check your network configuration.")
       }