loongson/pypi: links for docker-xylem

loongson/mirror docker_xylem-0.1.9.tar.gz
loongson/mirror docker_xylem-0.1.9-py2-none-any.whl
loongson/mirror docker_xylem-0.1.8.tar.gz
loongson/mirror docker_xylem-0.1.8-py2-none-any.whl
loongson/mirror docker_xylem-0.1.7.tar.gz
loongson/mirror docker_xylem-0.1.7-py2-none-any.whl
loongson/mirror docker_xylem-0.1.4.tar.gz