Have ticket test actually try to do something with the ticket.
Put tasks at the back of the only if there is at least one available worker.
This will avoid unnecessarily putting tasks at the back when there are no
connected or available workers.
.
Fix portability problems on Darwin.
Add some helpful debug code.
Other minor fixes (e.g. remove redundant newlines in debug messages).
Bump to 4.1 TRUNK
Adds submit_workers common code
condor_submit_workers with common script
sge_submit_workers with common script
torque_submit_workers with common script
slurm_submit_workers with common script
ec2_submit_workers with common script