loongson/mirror: links for products-ecquiz

loongson/mirror Products.ECQuiz-1.2.1.tar.gz
loongson/mirror Products.ECQuiz-1.2.1b1dev_r158-py2.5.egg
loongson/mirror Products.ECQuiz-1.2.1b1dev-r158.tar.gz
loongson/mirror Products.ECQuiz-1.4-rc1.tar.gz