loongson/pypi: links for collective-readunread

loongson/mirror collective.readunread-1.0b6.zip
loongson/mirror collective.readunread-1.0b5.zip
loongson/mirror collective.readunread-1.0b4-py2.6.egg
loongson/mirror collective.readunread-1.0b3.zip
loongson/mirror collective.readunread-1.0b2.zip
loongson/mirror collective.readunread-1.0b1.zip