add link from gres web page to cgroup page

Enforcement of file allocations requires use of task/cgroup.
Add function to return default account for uid
Change comments describing job_hold_requeue()

No change in logic, only clean up function description.
Correct default batch job output file name

In version 14.03.2 was using "slurm_<jobid>_4294967294.out" due to
error in job array logic.
Remove function we are not using
Lua build issue

Avoid build Lua script build error with --enable-developer.
There was an unused variable, so it never reporting a valid LUA
when built with that option.
Improve LUA test script

Add an error code to the information passed to LUA
Merge branch 'slurm-14.03'

Conflicts:
	doc/html/gres.shtml
	src/slurmctld/slurmctld.h