[Buildbot] #2988: Get rid of the various ids on the web interface

[Buildbot trac]

#2988: Get rid of the various ids on the web interface
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Reporter:  Ben          |      Owner:
    Type:  enhancement  |     Status:  new
Priority:  minor        |  Milestone:  0.9.0
 Version:  master       |   Keywords:  web
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 I do not think that we should leak ids in the web interface. They are
 internal data representation details, and the user shouldn't be bothered
 with them.

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Ticket URL: <http://trac.buildbot.net/ticket/2988>
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