[PATCH 1 of 9] create mercurial.pure package

[Martin Geisler]

# HG changeset patch
# User Martin Geisler <mg at daimi.au.dk>
# Date 1232752335 -3600
# Node ID 2de15e83e200e8f9be275eb3223aa204a4b81326
# Parent  9c8bbae02e9c4b51cc9cc0494677a1f4554cec45
create mercurial.pure package