format credits

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
state was changed to concrete actor last week

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
improve branch table

Link: https://github.com/GeneAssembly/biosal/issues/171
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>