For those who want to apply the auto-refresh code for their personal use, please copy following code:

var ajaxPages = ["Special:RecentChanges","Special:Watchlist","Special:Log","Special:Contributions","Special:WikiActivity"];
var AjaxRCRefreshText = 'Auto-refresh';
var AjaxRCRefreshHoverText = 'Automatically refresh the page';
var ajaxRefresh = 60000; //in millisecond
importScriptPage('AjaxRC/code.js', 'dev');//Auto-Refresh

And paste them in your own userpage in community central profile page.

Example: http://community.wikia.com/wiki/User:Ethrundr/global.js