Fix delayed_job issue 571
Fix delayed_job issue 571

https://github.com/collectiveidea/delayed_job/issues/571

samasti/noosfero,coletivoEITA/noosfero-ecosol,blogoosfero/noosfero,EcoAlternative/noosfero-ecosol,samasti/noosfero,coletivoEITA/noosfero-ecosol,blogoosfero/noosfero,coletivoEITA/noosfero-ecosol,samasti/noosfero,EcoAlternative/noosfero-ecosol,CIRANDAS/noosfero-ecosol,CIRANDAS/noosfero-ecosol,blogoosfero/noosfero,EcoAlternative/noosfero-ecosol,coletivoEITA/noosfero-ecosol,EcoAlternative/noosfero-ecosol,CIRANDAS/noosfero-ecosol,EcoAlternative/noosfero-ecosol,blogoosfero/noosfero,EcoAlternative/noosfero-ecosol,coletivoEITA/noosfero-ecosol,blogoosfero/noosfero,coletivoEITA/noosfero-ecosol,blogoosfero/noosfero,samasti/noosfero,CIRANDAS/noosfero-ecosol,blogoosfero/noosfero,samasti/noosfero,EcoAlternative/noosfero-ecosol,CIRANDAS/noosfero-ecosol,samasti/noosfero