Provide ability for admins to manage user organisation membership & admin rights

- Required overwriting a bunch of base code to slot in the handling
- Admins are shown with yellow text in their organisation label

assets/avsdev/js/pages/organisation.js

@@ -20,5 +20,6 @@ $(document).ready(function() {
     // Bind user table buttons
     $("#widget-organisation-members").on("pagerComplete.ufTable", function () {
         bindUserButtons($(this));
+        bindUserButtonsExtra($(this));
     });
 });