the plugins themselves. Add new functions to each plugin to return the
error number and given an error number, return a description.

lacking an elan switch.

modifications were relatively minor - mostly changes in function
names or arguments.

failure as fatal error.

job logs, state save directories, etc.

This logic was added temporarily for testing gnats slurm/223.

re-opening it for every write. Moving the log file generates a
SIGHUP, which triggers a re-open anyway.

Use it directly from  backfill plugin (instead of API call).

attempt failure (i.e. convert to event driven instead of just polling).
It does still have a 2-second timer to keep the overhead reasonable.

The plugin now gets passed the then current maximum priority to use as a
basis for setting the new job's priority (or not...).

Convert all accessors to use exclusively pointers; this should fix many of the 64-bit incompatibility problems

to a text file specified in the configure file.