[Buildbot] #3540: Sample Dockerfiles for master/worker need to be updated

[Buildbot trac]

#3540: Sample Dockerfiles for master/worker need to be updated
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Reporter:  anish      |      Owner:
    Type:  undecided  |     Status:  new
Priority:  major      |  Milestone:  undecided
 Version:  master     |   Keywords:
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 Both the sample files are a mix of deprecated, no longer working or
 missing steps. Opening this for tracking purposes, I already have them
 working most of the way so will send a pull request when I have them fully
 working.

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Ticket URL: <http://trac.buildbot.net/ticket/3540>
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