[Buildbot] #2924: set up bounties

[Buildbot trac]

#2924: set up bounties
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Reporter:  dustin  |      Owner:  dustin
    Type:  task    |     Status:  new
Priority:  major   |  Milestone:  botherders
 Version:  0.8.9   |   Keywords:
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 As an extension of the sponsorship work, we need a way for potential
 workers to see how what value we'll place on a particular project, and
 what the completion criteria are.

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Ticket URL: <http://trac.buildbot.net/ticket/2924>
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