tree 3192dc73d999b784c9436d2214e30e9c07d13d0e
parent 84ce2f1c9b0e2aaba95015aea8ed9acaacb62e1b
author Doug Hellmann <doug@doughellmann.com> 1494329745 -0400
committer Doug Hellmann <doug@doughellmann.com> 1495378804 -0400

update sphinx

Update sphinx to the version used to build the documentation elsewhere
and turn on the option to treat warnings as errors to ensure that no
poorly constructed rst is introduced. Cap sphinx<1.6.1, since that
version has a conflict with pbr right now.

Change-Id: I19b3332229e2094988cbf8968c42a0323194a209
Signed-off-by: Doug Hellmann <doug@doughellmann.com>