Update git submodules

* Update openstack-manuals from branch 'master'
  - www-generator.py: cache expensive repo/project metadata to disk
    
    Gathering the metadata of repos and projects requires a significant
    number of HTTP calls and is therefore slow and expensive.  When
    hacking on www-generator.py the ability to skip these calls can save a
    lot of time allowing much more rapid iteration.  So add a persistent
    cache for this data, using the percache Python module.
    
    This is mostly run in the gate, where the cache will be deleted on
    each run.  Documentation contributors running this locally may
    occasionally need to manually remove the cache file, although
    governance data generally changes slow enough that this is expected to
    be a rare corner case.
    
    As noted by the comment in _get_official_repos(), in the future we may
    add support for loading governance data from a local repo, thereby
    skipping the need for slow HTTP calls.  But for now this is a simpler
    solution.
    
    Change-Id: Ib52171625e37169d00da03f436b58456c103b04d
This commit is contained in:
Adam Spiers 2019-01-04 16:39:25 +00:00 committed by Gerrit Code Review
parent 49ceb2a407
commit c587139ffa
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Subproject commit bc92cceaf907f53f4c5d01199963a5c85a14a170
Subproject commit 4a53589fea53ed8ab262c3fb7372566af6d043e0