[Buildbot] #3286: Port Gltlab status plugin for nine

[Buildbot trac]

#3286: Port Gltlab status plugin for nine
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Reporter:  dustin       |       Owner:
    Type:  enhancement  |      Status:  new
Priority:  major        |   Milestone:  0.9.0
 Version:  master       |  Resolution:
Keywords:  gitlab       |
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Comment (by dustin):

 ..or document that it's not available in 0.9.0

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Ticket URL: <http://trac.buildbot.net/ticket/3286#comment:1>
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