Merge remote-tracking branch 'origin/slurm-2.4'

NEWS

doc/html/bluegene.shtml

...ugins/accounting_storage/mysql/as_mysql_jobacct_process.c

src/plugins/select/bluegene/Makefile.am

src/plugins/select/bluegene/Makefile.in

src/plugins/select/bluegene/ba_bgq/block_allocator.c

src/plugins/select/bluegene/bg_record_functions.c

src/plugins/select/bluegene/bl_bgq/bridge_linker.cc

src/slurmctld/node_scheduler.c

src/slurmctld/read_config.c

src/slurmd/slurmstepd/slurmstepd_job.h