return defer from scheduletransition to eanble added callbacks on future calls, also more correct handling of errors for scheduled tasks
return defer from scheduletransition to eanble added callbacks on future calls, also more correct handling of errors for scheduled tasks

NORDUnet/opennsa,NORDUnet/opennsa,jeroenh/OpenNSA,jab1982/opennsa,jeroenh/OpenNSA,jeroenh/OpenNSA,jab1982/opennsa,NORDUnet/opennsa