[Buildbot] #3266: document change to remote_interruptCommand

[Buildbot trac]

#3266: document change to remote_interruptCommand
--------------------------+----------------------------
Reporter:  yetanotherion  |       Owner:  yetanotherion
    Type:  task           |      Status:  accepted
Priority:  major          |   Milestone:  0.9.0
 Version:  master         |  Resolution:
Keywords:  docs           |
--------------------------+----------------------------
Changes (by yetanotherion):

 * owner:  <default> => yetanotherion
 * status:  new => accepted


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Ticket URL: <http://trac.buildbot.net/ticket/3266#comment:1>
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