loongson/pypi: links for python-xtrabackup2swift

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