Update git submodules

* Update oslo.log from branch 'master'
  - tox: Keeping going with docs
    
    Sphinx 1.8 introduced [1] the '--keep-going' argument which, as its name
    suggests, keeps the build running when it encounters non-fatal errors.
    This is exceptionally useful in avoiding a continuous edit-build loop
    when undertaking large doc reworks where multiple errors may be
    introduced.
    
    [1] https://github.com/sphinx-doc/sphinx/commit/e3483e9b045
    
    Change-Id: Icbc670ba49e0cf9e1ce33b33a16231ec64ddf042
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caoyuan 2019-10-24 14:07:55 +08:00 committed by Gerrit Code Review
parent 353595e569
commit c2f6e1968e
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Subproject commit 7fcef4b0f595fc0974b6df22975e66dac8479120
Subproject commit 3d4070e0fe235f4dc18e07d5d4c27d6080177dbc