root/pypi: links for watershed

root/pypi Watershed-2.2.2.tar.gz
root/pypi Watershed-2.2.1.tar.gz
root/pypi Watershed-2.2.0.tar.gz
root/pypi Watershed-2.0.4.tar.gz
root/pypi Watershed-2.0.3.tar.gz
root/pypi Watershed-2.0.2.tar.gz
root/pypi Watershed-2.0.1.tar.gz
root/pypi Watershed-2.0.tar.gz