Merge pull request #2345 from edx/giulio/tweak-grade-me-yaml

fix grade me button callback

common/lib/xmodule/xmodule/templates/html/grade_me.yaml

@@ -27,6 +27,6 @@ data: |
                 $('.verify-button-success-text').html(success_message);
               }
             });
-          }).call(document.getElementById('click_me'), event);
+          }).call(document.getElementById('User_Verify_Button'), event);
         });
       </script>