root/pypi: links for gvita

root/pypi gvita-0.5.0.tar.gz
root/pypi gvita-0.4.0.tar.gz
root/pypi gvita-0.3.0.tar.gz
root/pypi gvita-0.2.0.tar.gz
root/pypi gvita-0.1.0.tar.gz