Show WAX CPU percentage used in top left corner
These are all versions of this script. Show only the versions where the code changed.
CPU usage calls are only done if the tab is considered "visible"https://stackoverflow.com/questions/1060008/is-there-a-way-to-detect-if-a-browser-window-is-not-currently-active
Changed CPU update interval to 60 seconds instead of 10 as this is now rate limited by WAX
