loongson/pypi: links for github-reviewboard-sync

loongson/mirror github_reviewboard_sync-0.1.5.tar.gz
loongson/mirror github_reviewboard_sync-0.1.4.tar.gz
loongson/mirror github_reviewboard_sync-0.1.3.tar.gz
loongson/mirror github_reviewboard_sync-0.1.2.tar.gz