[Buildbot] #3313: Improve nine migration notes

[Buildbot trac]

#3313: Improve nine migration notes
------------------------+-----------------------
Reporter:  dustin       |       Owner:  dustin
    Type:  enhancement  |      Status:  assigned
Priority:  major        |   Milestone:  0.9.0
 Version:  0.8.10       |  Resolution:
Keywords:               |
------------------------+-----------------------
Changes (by dustin):

 * owner:   => dustin
 * status:  new => assigned


--
Ticket URL: <http://trac.buildbot.net/ticket/3313#comment:2>
Buildbot <http://buildbot.net/>
Buildbot: build/test automation