[Buildbot] #3027: [Nine] group builders per tags

[Buildbot trac]

#3027: [Nine] group builders per tags
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Reporter:  delanne    |      Owner:
    Type:  undecided  |     Status:  new
Priority:  major      |  Milestone:  undecided
 Version:  0.8.9      |   Keywords:
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 For the waterfall/console web page the builders must be grouped per tags
 (like in eight)

 Tags support is added in PR https://github.com/buildbot/buildbot/pull/1334

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Ticket URL: <http://trac.buildbot.net/ticket/3027>
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