initiation.
Establish limit of MAX_TASKS_PER_NODE and add matching error code.

initiation.

exceeds the number of nodes and document this behaviour.

but terminates.

multiple log_init calls.

logging.

(rather than printing range). Modified logic to group entries well if
broken out by sizes. Modified print formats slightly.

command line option.

Combine line task states on a single line, not one per task.

for reporting lack of activity, update task and node state in a couple
of places where missing.

before killing job.