[Buildbot] #2839: Buildbot does not consistenly do logging

[Buildbot trac]

#2839: Buildbot does not consistenly do logging
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Reporter:  sa2ajj     |       Owner:
    Type:  undecided  |      Status:  new
Priority:  major      |   Milestone:  undecided
 Version:  master     |  Resolution:
Keywords:  logging    |
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Comment (by dustin):

 `print` in a twistd environment ends up in the logfile.

 However, in production code we should always be logging, not printing.
 Based on a quick grep, I see that we *almost* always adhere to this
 standard.  Legitimate exceptions are:
  * scripts and clients like 'create-master' or 'debug' that actually want
 to produce stdout
  * contrib (it can do whatever it wants)

 Cleaning up any other occurrences would be a good fix.

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Ticket URL: <http://trac.buildbot.net/ticket/2839#comment:1>
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