[Buildbot] #3435: Install docs dependencies in setup.py

[Buildbot trac]

#3435: Install docs dependencies in setup.py
----------------------+------------------------------
Reporter:  dustin     |       Owner:  adityadivekar03
    Type:  undecided  |      Status:  assigned
Priority:  minor      |   Milestone:  0.9.+
 Version:             |  Resolution:
Keywords:             |
----------------------+------------------------------
Changes (by dustin):

 * owner:  dustin => adityadivekar03
 * status:  new => assigned


Comment:

 Merged in https://github.com/buildbot/buildbot/pull/2043 including a
 change to `rtd-requirements.txt`

--
Ticket URL: <http://trac.buildbot.net/ticket/3435#comment:8>
Buildbot <http://buildbot.net/>
Buildbot: build/test automation