Fix faulty argument in specify_disk().
Category documentation for makeflow.
Fixed docs to accomodate the move of the work queue directory.
Otherwise, the work queue docs are not generated.
close link after all data has been sent.

(also, send extra newline to indicate the end of data)
Change find_worker_by_random() from O(n^2) to O(n)

Conflicts:
	work_queue/src/work_queue.c
Check for successful task completion before putting output files into the cache.
Merge branch 'master' of github.com:cooperative-computing-lab/cctools
Better category names in makeflow's manual
Remove comments from the top of work_queue_worker.c indicating things that have already been fixed