root/pypi: links for jarn-xmpp-collaboration

root/pypi jarn.xmpp.collaboration-0.1b3.zip
root/pypi jarn.xmpp.collaboration-0.1b2.zip
root/pypi jarn.xmpp.collaboration-0.1b1.zip
root/pypi jarn.xmpp.collaboration-0.1a4.zip
root/pypi jarn.xmpp.collaboration-0.1a3.zip
root/pypi jarn.xmpp.collaboration-0.1a2.zip
root/pypi jarn.xmpp.collaboration-0.1a1.zip