LBM Software Smell Test

@JacquesCarette please review the following repos for any code smells:

One from these two well ranked software:

1. https://github.com/ludwig-cf/ludwig
2. https://gitlab.com/unigespc/palabos

One from these two medium ranked software:

1. https://github.com/sailfish-team/sailfish
2. https://github.com/Olllom/lettuce