[Buildbot] #3569: fail when buildbot upgrade-master is run from a <=0.8.x installation

[Buildbot trac]

#3569: fail when buildbot upgrade-master is run from a <=0.8.x installation
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Reporter:  tardyp  |       Owner:
    Type:  task    |      Status:  closed
Priority:  major   |   Milestone:  0.9.0
 Version:  master  |  Resolution:  fixed
Keywords:          |
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Changes (by tardyp):

 * status:  new => closed
 * resolution:   => fixed


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Ticket URL: <http://trac.buildbot.net/ticket/3569#comment:2>
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