loongson/pypi: links for django-css

loongson/mirror django-css-2.3.1.tar.gz
loongson/mirror django-css-2.2.1.tar.gz
loongson/mirror django-css-2.2.tar.gz
loongson/mirror django-css-2.1.5.zip
loongson/mirror django-css-2.1.5.tar.gz
loongson/mirror django-css-2.1.4.tar.gz