on all updates. reduce frequency of periodic state saves to once every
300 seconds.

state save files (i.e. if I/O did not complete).

   vector

set io_thread to call pthread_exit
I don't think this is a problem

adde fcntl to slurm_protocol for non-blocking io

specified time interval to pass (avoid saving initial configuration
to state save files).

upon registration by slurmd.

 o addition of nprocs and nnodes to launch tasks messages

Add disclaimer to qsw.h.

Interestingly, sprintf does not include the '\0' in the size.