loongson/mirror: links for django-roa

loongson/mirror django-roa-1.7.tar.gz
loongson/mirror django-roa-1.6.tar.gz
loongson/mirror django-roa-1.5.tar.gz
loongson/mirror django-roa-1.4.tar.gz
loongson/mirror django-roa-1.3.tar.gz