loongson/pypi: links for chainerboard

loongson/mirror chainerboard-0.1.5.tar.gz
loongson/mirror chainerboard-0.1.4.tar.gz
loongson/mirror chainerboard-0.1.3.tar.gz
loongson/mirror chainerboard-0.1.3-py2-none-any.whl
loongson/mirror chainerboard-0.1.2.tar.gz
loongson/mirror chainerboard-0.1.2-py2-none-any.whl
loongson/mirror chainerboard-0.1.1.tar.gz
loongson/mirror chainerboard-0.1.1-py2-none-any.whl