Update the acct_gather.conf.5 man.
Export "SLURM*" env vars if --export=NONE

backport of commit 9b4f363456fe99629603386f57331f1a5011d6f3
Merge branch 'slurm-2.6' into slurm-14.03
Fix scontrol format issue
Fix bad parameter name in web page
Merge branch 'slurm-14.03'