loongson/pypi: links for django-baton-v2

loongson/mirror django-baton-v2-1.5.10.tar.gz
loongson/mirror django-baton-v2-1.5.9.tar.gz
loongson/mirror django-baton-v2-1.5.8.tar.gz
loongson/mirror django-baton-v2-1.5.7.tar.gz