/**
* Display a listing of the Role.
*
* @param Request $request
* @return Response
*/
public function index(Request $request)
{
$this->authorize('system.view');
$this->roleRepository->pushCriteria(new RequestCriteria($request));
$roles = $this->roleRepository->paginate(50);
return view('roles.index')->with('roles', $roles);
}