update for slurm_step merge

NEWS

src/common/pack.c

src/common/slurm_jobacct.c

src/common/slurm_protocol_pack.c

src/plugins/jobacct/log/jobacct_log.c

src/plugins/proctrack/linuxproc/kill_tree.c

src/plugins/proctrack/pgid/proctrack_pgid.c

src/slurmd/Makefile.am

src/slurmd/io.c

src/slurmd/mgr.c

src/slurmd/mgr.h

src/slurmd/proctrack.c

src/slurmd/req.c

src/slurmd/semaphore.c

src/slurmd/shm.c

src/slurmd/shm.h

src/slurmd/slurmd.c

src/slurmd/slurmd.h

src/slurmd/slurmd_step.c