root/pypi: links for collective-twitter-portlets

root/pypi collective.twitter.portlets-1.0b5.zip
root/pypi collective.twitter.portlets-1.0b5.dev0.zip
root/pypi collective.twitter.portlets-1.0b4.zip
root/pypi collective.twitter.portlets-1.0b3.zip
root/pypi collective.twitter.portlets-1.0b2.zip
root/pypi collective.twitter.portlets-1.0b1.tar.gz