message: frontend: Fix Roles list page with namespace selected
diff: @@ -102,6 +102,7 @@ render((
  </Route>
  <Route path="ns/:ns/roles">
  + <IndexRoute component={ResourceListPage} kind="roles" />
  <Route path=":name/add-rule" component={EditRuleContainer} />
  <Route path=":name/:rule/edit" component={EditRuleContainer} />
  <Route path=":name/bindings" component={BindingsForRolePage} kind="role" />
  