[PATCH 0 of 3] Add patchbomb contrib script

[Bryan O'Sullivan]

As I mentioned yesterday, I've written a script that generates a "patch
bomb", a series of emails that contain a set of related patches.

I'd like to see it find its way into the contrib directory.  If enough
people find it useful, maybe we can think about promoting it to
mercurial/commands.py.

        <b
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2 files changed, 246 insertions(+), 2 deletions(-)
contrib/patchbomb     |  243 ++++++++++++++++++++++++++++++++++++++++++++++++-
mercurial/commands.py |    5 -