loongson/pypi: links for python-keyczar

loongson/mirror python-keyczar-0.716.tar.gz
loongson/mirror python-keyczar-0.715.tar.gz
loongson/mirror python-keyczar-0.71c.tar.gz
loongson/mirror python-keyczar-0.71b.tar.gz
loongson/mirror python-keyczar-0.7b.tar.gz