correct typo in slurm.spec

pam_slurm.la was listed twice and pam_slurm.a not at all
Add test for %insserv_cleanup in slurm.spec

The macros is not defined on RHEL6.5
see bug 326
add job std_in, std_out and std_err to perl api

Add support for job std_in, std_out and std_err fields in Perl API.
Add the build_dir to globals.local in automatic regression program.
Correct name and alphabetic order in last commit
Fix typo in comment

No change in logic
Add "Scheduling Configuration Guide" web page
Remove trailing space from web page