loongson/pypi: links for corejet-pivotal

loongson/mirror corejet.pivotal-1.2.0.zip
loongson/mirror corejet.pivotal-1.1.0.zip
loongson/mirror corejet.pivotal-1.0.0.zip
loongson/mirror corejet.pivotal-1.0a5.zip
loongson/mirror corejet.pivotal-1.0a4.zip
loongson/mirror corejet.pivotal-1.0a3.zip
loongson/mirror corejet.pivotal-1.0a2.zip