loongson/pypi: links for usfm2osis

loongson/mirror usfm2osis-0.6.1.tar.gz
loongson/mirror usfm2osis-0.6.1-py3.4.egg
loongson/mirror usfm2osis-0.6.1-py2.py3-none-any.whl
loongson/mirror usfm2osis-0.6.1-py2.7.egg