loongson/pypi: links for ipopt

loongson/mirror ipopt-1.0.3.tar.gz
loongson/mirror ipopt-0.3.0.tar.gz
loongson/mirror ipopt-0.2.0.tar.gz
loongson/mirror ipopt-0.1.9.tar.gz
loongson/mirror ipopt-0.1.8.tar.gz
loongson/mirror ipopt-0.1.7.tar.gz
loongson/mirror ipopt-0.1.3.zip