vgdev/stable: links for python-xtrabackup2swift

root/pypi python-xtrabackup2swift-0.0.6.tar.gz
root/pypi python-xtrabackup2swift-0.0.5.tar.gz
root/pypi python-xtrabackup2swift-0.0.4.tar.gz
root/pypi python-xtrabackup2swift-0.0.4.macosx-10.9-intel.exe
root/pypi python-xtrabackup2swift-0.0.3.tar.gz
root/pypi python-xtrabackup2swift-0.0.3.macosx-10.9-intel.exe
root/pypi python-xtrabackup2swift-0.0.2.tar.gz