button disabled while ajax call is going on

Author: ddey2

app/views/datasets/create.scala.html

@@ -194,6 +194,7 @@ <h1>@Messages("create.header", Messages("dataset.title"))</h1>
 
         $(function () {
             $('#createdataset').click(function () {
+                $('#createdataset').attr("disabled", true);
                 var name = $('#name');
                 var desc = $('#description');
                 var spaceList = [];