added overlay relace on sending account_create to celery

app/static/scripts/function.js

 function displayloading1() {
         $('#myModal1').modal('show');
         request_account()
-        setTimeout(function(){ x.value="20 seconds" }, 20000);
-        window.location.assign("www.google.com"); 
 }
 
 function displayloading2() {