[Buildbot] #2828: move github_buildbot out of contrib

[Buildbot trac]

#2828: move github_buildbot out of contrib
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Reporter:  dustin       |      Owner:
    Type:  enhancement  |     Status:  new
Priority:  major        |  Milestone:  0.9.+
 Version:  0.8.9        |   Keywords:  git, github
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 This really should be a part of core Buildbot, as a web hook..

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Ticket URL: <http://trac.buildbot.net/ticket/2828>
Buildbot <http://buildbot.net/>
Buildbot: build/test automation