Changes to error codes in others (some redundant codes removed).

I also moved the message types to enums, and probably some other small things.

-Joey

Minor revisions to info man page.

Fixed another typo in a ESLURM spelling.

Did some general code clean-up.

Moving on to circular never ending buffer

Initial version of get/free info API man page in slurm_info.3
Updated a SLURM error message for clarity.

Initial version of get/free info API man page in slurm_info.3

Preserve (allocated) state of nodes when config file is re-read (reconfig API)

Add function framework for job step node selection.
Remove reference to defunct job specification of procs_per_task.
Remove reference to defunct function delete_job_record().

Add function framework for job step node selection.
Remove reference to defunction job specification of procs_per_task.

Add function framework for job step node selection.

to cancel a job, issue the job_step_cancel RPC with a step_id
of NO_VAL.