public function desasignar()
{
$rol = Role::find(Input::get('role_id'));
$rolPermisos = RolesPermission::where('role_id', '=', Input::get('role_id'))->where('permission_id', '=', Input::get('permission_id'))->get()->first();
$desasignar = RolesPermission::destroy($rolPermisos->id);
return Response::json('ok');
}
