- bprun:
	- option for setting max # of running jobs
	- --job=<jid>
	- keyboard controls
	- we should not assume that the cwd of screen is the same as ours
	- display job duration
	- global error indicators should be displayed in red
- Terminology: machine vs. host
- Detector of orphans (unused queue dirs, jobs on non-existent machines, non-queued jobs)