This fixes the setting of PMI_CRAY_NO_SMP_ENV for v15.08.
The previous commit (25b03b8c)
worked fine with v14.11, but changes were required to function
with v15.08 and commit 54e53857,
which gives user control over packing on a job-by-job basis in
order to over-ride system with packing configuration.
See bugs 819 and 1585

This initializes some variables used with the srun --no-alloc option
that can result in test1.26 failing sporatically.

Bug 1384

Bug 1603

and update NEWS

If a job had a reservation, it would try to find the reservation
before the resv_list was populated.

the same time, don't double bill the down time.

Conflicts:
	doc/man/man1/salloc.1
	doc/man/man1/sbatch.1
	doc/man/man1/sbcast.1
	doc/man/man1/scontrol.1
	doc/man/man1/srun.1
	doc/man/man3/slurm_allocate_resources.3
	doc/man/man5/slurm.conf.5

Also make the man page headers and footers consistent.
bug 1308

database.

Conflicts:
	doc/html/download.shtml
	doc/html/power_save.shtml
	doc/html/preempt.shtml
	doc/html/reservations.shtml

Remove references to old releases of Slurm from the web pages.
Remaining Slurm version numbers (e.g. to describe upgrades) have
been updated to more current version numbers.
bug 1308

Bug 1576

list, but only the column list.

Prevent slurmdbd error if cluster added or removed while rollup in progress.
Removing a cluster can cause slurmdbd to abort. Adding a cluster can cause
the slurmdbd rollup to hang.

Specialized memory (a node's MemSpecLimit configuration parameter) is not
available for allocation to jobs.
Select/linear, cons_res, and serial plugins fixed.
bug 1548

When allocating resources with resolution of sockets, charge the job for a
CPUs on allocated sockets rather than just the CPUs on used cores.