root/pypi: links for txriakidx

root/pypi txRiakIdx-0.5.4.tar.gz
root/pypi txRiakIdx-0.5.3.tar.gz
root/pypi txRiakIdx-0.5.2.tar.gz
root/pypi txRiakIdx-0.5.1.tar.gz
root/pypi txRiakIdx-0.5.tar.gz