Update job_complete RPCs to take slurm and job return codes.

slurmctld can set a node down per bad slurmd return code in
job completion RPC.
slurmd has framework for returning both slurmd and and application
return codes on batch job completion.
Srun modified to send return codes on job completion

src/srun/srun.c

@@ -177,7 +177,7 @@ main(int ac, char **av)
 		else
 			printf("jobid %u\n", resp->job_id); 
 		run_job_script(resp->job_id);
-		slurm_complete_job(resp->job_id);
+		slurm_complete_job(resp->job_id, 0, 0);
 		if (_verbose || _debug)
 			info ("Spawned srun shell terminated");
 		exit (0);
@@ -276,10 +276,10 @@ main(int ac, char **av)
 
 	if (old_job) {
 		debug("cancelling job step %u.%u", job->jobid, job->stepid);
-		slurm_complete_job_step(job->jobid, job->stepid);
+		slurm_complete_job_step(job->jobid, job->stepid, 0, 0);
 	} else if (!opt.no_alloc) {
 		debug("cancelling job %u", job->jobid);
-		slurm_complete_job(job->jobid);
+		slurm_complete_job(job->jobid, 0, 0);
 	}
 
 	exit(0);
@@ -382,7 +382,7 @@ sig_kill_alloc(int signum)
 	static uint32_t job_id = 0;
 
 	if (signum == SIGINT) {			/* <Control-C> */
-		slurm_complete_job (job_id);
+		slurm_complete_job (job_id, 0, 0);
 		exit (0);
 	} else if (signum < 0)
 		job_id = (uint32_t) (0 - signum);	/* kluge to pass the job id */
@@ -446,7 +446,7 @@ create_job_step(job_t *job)
 		return_code_msg_t *rcmsg = (return_code_msg_t *) resp_msg.data;
 		error("unable to create job step: %s", 
 				slurm_strerror(rcmsg->return_code));
-		slurm_complete_job(job->jobid);
+		slurm_complete_job(job->jobid, 0, rcmsg->return_code);
 		exit(1);
 	}