[Buildbot] #3635: Improved Buildstep Docs

[Buildbot trac]

#3635: Improved Buildstep Docs
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Reporter:  wangofett    |       Owner:
    Type:  enhancement  |      Status:  new
Priority:  minor        |   Milestone:  0.9.+
 Version:  0.9.0        |  Resolution:
Keywords:  docs         |
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Comment (by wangofett):

 Migration of tickets to Github will be quite appreciated :)

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Ticket URL: <http://trac.buildbot.net/ticket/3635#comment:8>
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