job_submit/pbs - Fix for incorrect malloc size

This bug in the new plugin would result in memory corruption.
Enable change of name for running jobs
qsub enhancements

Make "qsub -I" work (no arguments)
Some fixes for node/task count logic for interactive jobs
qsub fixes

Get "qsub -I" working (no arguments)
Fixes for some node/task calcuations for interactive jobs
qsub - make sure batch submit with no arguments works
No job update error if partition down
Merge branch 'slurm-2.6'
Add stubs for SUG13 presentations
Eliminate compiler warnings on 32-bit systems

Add type casting to eliminate some compiler warnings on 32-bit systems
This fixes the MaxCPUsPerNode partition constraint

for CR_Socket.
Merge branch 'slurm-2.6'
scontrol parsing fix

for setdebugflags command, avoid parsing "-flagname" as
an scontrol command line option.
Updates to SUG material
Expand job array web page
Updates for SUG13 presentations
Merge remote-tracking branch 'origin/slurm-2.6'
scontrol parsing problem

Bug introduced earlier today in commit 7912c05bb410567899b857367450d7dbb7905e71
Update SUG13 link
Merge branch 'slurm-2.6'
Remove extra defunct DEBUG_FLAG_THREADID references