fix a bug in the ring queue provisioning

./scripts/development/run-argonnite-1-28.sh
node 0 efficiency: 0.93
real    16m7.843s

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
simplify the ring example

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
fix race in synchronize example

Link: https://github.com/GeneAssembly/biosal/issues/320
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
create a command that runs all tests

Link: https://github.com/GeneAssembly/biosal/issues/403
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>