[Buildbot] #3248: BuildStep should properly interrupt steps

[Buildbot trac]

#3248: BuildStep should properly interrupt steps
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Reporter:  vlovich    |       Owner:
    Type:  undecided  |      Status:  new
Priority:  major      |   Milestone:  0.9.+
 Version:  0.8.10     |  Resolution:
Keywords:             |
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Changes (by sa2ajj):

 * milestone:  undecided => 0.9.+


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Ticket URL: <http://trac.buildbot.net/ticket/3248#comment:1>
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