user can cancel agreement to terms of use and is logout immediatelly

frontend-js/src/main/js/minerva.js

@@ -75,12 +75,21 @@ function requestConsent(user, termsOfUseUrl) {
       }).catch(GuiConnector.alert);
     }
   });
+  var cancelButton = functions.createElement({
+    type: "button",
+    content: "I disagree",
+    className: "ui-button ui-corner-all ui-widget",
+    onclick: function () {
+      return ServerConnector.logout().catch(GuiConnector.alert);
+    }
+  });
   $(okButton).prop("disabled", true);
   $(checkbox).change(function () {
     $(okButton).prop("disabled", !$(checkbox).is(':checked'));
   });
   dialogContent.appendChild(checkbox);
   dialogContent.appendChild(okButton);
+  dialogContent.appendChild(cancelButton);
 
   dialog.appendChild(dialogContent);
   document.body.appendChild(dialog);