Url fixed. Adding check to updationg version.

Author: jfkz

scripts/background.js

@@ -1,13 +1,15 @@
 // Check whether new version is installed
 chrome.runtime.onInstalled.addListener(function(details){
-    var newURL = "http://chessbot-jfkz.c9users.io/installed.html";
-    // var newURL = "http://re-coders.com/chessbot/installed.html";
-    var hash = "#thisVersion=" + chrome.runtime.getManifest().version;;
+    var newURL = "http://re-coders.com/chessbot/installed.html";
+    var currentVersion = chrome.runtime.getManifest().version;
+    var hash = "#thisVersion=" + currentVersion;
     if(details.reason == "install"){
         hash += "&action=install";
         chrome.tabs.create({ url: newURL + hash });
     } else if(details.reason == "update"){
-        hash += "&action=update&previousVersion=" +  details.previousVersion;
-        chrome.tabs.create({ url: newURL + hash});
+        if (currentVersion !== details.previousVersion) {
+            hash += "&action=update&previousVersion=" +  details.previousVersion;
+            chrome.tabs.create({ url: newURL + hash});
+        }
     }
 });