make jass installable via pip directly
- requirements with a specific syntax in install_requires
- install with
pip install -U "git+https://gitlab.pasteur.fr/statistical-genetics/jass@hmenager-upgrade-deps-patch-98128#egg=jass"
pip install -U "git+https://gitlab.pasteur.fr/statistical-genetics/jass@hmenager-upgrade-deps-patch-98128#egg=jass"