correct pointer to MPICH2 site, 
use different prompt within srun --allocate for clarity.

(e.g. LCRM). They need to use prm to avoid getting LCRM out of sync.

fixed forward logic to report correct reponse for all childern and parent.  Fixed jobacct logic to always be able to work off submit time.  changed logic to in shutdown to wait around to make sure shutdown message is sent to all slurmds.