fixes to the NEWS file
If a srun runs in an exclusive allocation and doesn't use the entire
allocation and CR_PACK_NODES is set layout tasks appropriately.

This is related to bug 890
Document when a job's shared field can change

Only for pending jobs
bug 899
Correct job shared info

Correct Shared field in job state information seen by scontrol, sview, etc.
Merge branch 'slurm-14.03'