public function gravatarefaAction()
 {
     /*$id = 37;
       if ($id == null)
           $tarefa = new \MyClasses\Entities\Tarefa();
       else            
           $tarefa = $this->getEm()->getRepository('MyClasses\Entities\Tarefa')
                                   ->findOneBy(array("id"=>$id));
       $tarefa->setNome("Tarefa exemplo");
       $tarefa->setDescricao("Tarefa exemplo");
       $tarefa->setVencimento("2015/12/31");
       $projeto = $this->getEm()->getRepository('MyClasses\Entities\Projeto')
                               ->findOneBy(array("id" => 9));
       $tarefa->setProjeto($projeto);
       $responsavel = $this->getEm()->getRepository('MyClasses\Entities\AclUsuario')
                               ->findOneBy(array("id" => 1));
       $tarefa->setUsuario($responsavel);
       $tarefa->setModificado();
       $tarefa->setStatus("aberta");
       $this->getEm()->persist($tarefa);
       $this->getEm()->flush();
       if ($tarefa->getId())            
           return new ViewModel(array('tarefa' => true));
       else
           return new ViewModel(array('tarefa' => false));*/
     $cliente = new SoapClient($this->_WSDL_URI . '/wsdl');
     return new ViewModel(array('tarefa' => $cliente->gravaTarefa(null, "Tarefa exemplo", "Tarefa exemplo", "2015/12/31", 9, 1)));
 }