root/pypi: links for collective-examples-userdata

root/pypi collective.examples.userdata-2.1.zip
root/pypi collective.examples.userdata-2.0.zip
root/pypi collective.examples.userdata-0.4.1.tar.gz
root/pypi collective.examples.userdata-0.4.zip
root/pypi collective.examples.userdata-0.3.1.tar.gz
root/pypi collective.examples.userdata-0.3.tar.gz
root/pypi collective.examples.userdata-0.2.tar.gz
root/pypi collective.examples.userdata-0.1.tar.gz