[Buildbot] #3214: Document all Data API messages

[Buildbot trac]

#3214: Document all Data API messages
------------------------+-----------------------
Reporter:  dustin       |       Owner:
    Type:  enhancement  |      Status:  assigned
Priority:  major        |   Milestone:  0.9.0
 Version:  master       |  Resolution:
Keywords:  mq           |
------------------------+-----------------------
Changes (by dustin):

 * owner:  dustin =>


--
Ticket URL: <http://trac.buildbot.net/ticket/3214#comment:2>
Buildbot <http://buildbot.net/>
Buildbot: build/test automation