public function configureDoctrine(Doctrine_Manager $manager)
  {
    $manager->setCollate('utf8_general_ci');
    $manager->setCharset('utf8');

    Doctrine_Migration_Base::setDefaultTableOptions(array(
      'type' => 'INNODB',
      'charset' => 'utf8',
      'collate' => 'utf8_general_ci'
    ));
  }