Integrate [fragment fingerprints](https://github.com/JonasSchaub/FragmentFingerprints), [descriptors](https://github.com/JonasSchaub/CDK-Descriptor-Calculation), and [ART-2a clustering](https://github.com/JonasSchaub/ART2a-Clustering-for-Java).
Integrate fragment fingerprints, descriptors, and ART-2a clustering.