message: frontend: Fix roles when a namespace is selected.
diff: @@ -109,7 +109,7 @@ render((
  </Route>
  <Route path="ns/:ns/roles">
  - <IndexRoute component={ResourceListPage} kind="role" />
  + <IndexRoute component={ResourceListPage} kind="roles" />
  <Route path=":name/add-rule" component={EditRulePage} />
  <Route path=":name/:rule/edit" component={EditRulePage} />
  <Route path=":name/bindings" component={BindingsForRolePage} kind="Role" />
  