loongson/pypi: links for products-shibbolethpermissions

loongson/mirror Products.ShibbolethPermissions-0.8b2.tar.gz
loongson/mirror Products.ShibbolethPermissions-0.8b1.tar.gz
loongson/mirror Products.ShibbolethPermissions-0.8a2.zip
loongson/mirror Products.ShibbolethPermissions-0.8a1.zip