[Buildbot] #3099: List of changes for a build is too big

[Buildbot trac]

#3099: List of changes for a build is too big
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Reporter:  Ben     |      Owner:
    Type:  defect  |     Status:  new
Priority:  major   |  Milestone:  0.9.0
 Version:  0.8.10  |   Keywords:
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 Here: http://nine.buildbot.net/#/builders/7/build/20

 Only the two last changes should be there, the previous build was
 successful.

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Ticket URL: <http://trac.buildbot.net/ticket/3099>
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Buildbot: build/test automation