root/pypi: links for collective-upgrade

root/pypi collective.upgrade-1.7.tar.gz
root/pypi collective.upgrade-1.6.tar.gz
root/pypi collective.upgrade-1.5.tar.gz
root/pypi collective.upgrade-1.5-py2-none-any.whl
root/pypi collective.upgrade-1.4.tar.gz
root/pypi collective.upgrade-1.4-py2-none-any.whl
root/pypi collective.upgrade-1.3.tar.gz
root/pypi collective.upgrade-1.2.tar.gz
root/pypi collective.upgrade-1.1.zip
root/pypi collective.upgrade-1.0.zip
root/pypi collective.upgrade-1.0rc1.tar.gz
root/pypi collective.upgrade-0.4.tar.gz
root/pypi collective.upgrade-0.3.tar.gz
root/pypi collective.upgrade-0.2.tar.gz
root/pypi collective.upgrade-0.1.tar.gz