the function that gets percentiles needs a sorted array

Link: https://github.com/GeneAssembly/biosal/issues/621
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
add a job submission example for Blue Gene Q

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
disable sleep/wakeup in order to see it changes something

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
improve work stealing code

Link: https://github.com/GeneAssembly/biosal/issues/614
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>