Update git submodules

* Update contributor-guide from branch 'master'
  - Merge "Tutorial: changes in a series"
  - Tutorial: changes in a series
    
    There was a mailing list post [1] walking through developing multiple
    changes in a series. It was suggested [2] that this content would be
    suitable for the contributor guide. This patch introduces a new document
    for that, and also attempts to incorporate some of the other suggestions
    [3] [4] made in that thread.
    
    [1] http://lists.openstack.org/pipermail/openstack-discuss/2018-December/000629.html
    [2] http://lists.openstack.org/pipermail/openstack-discuss/2018-December/000638.html
    [3] http://lists.openstack.org/pipermail/openstack-discuss/2018-December/000637.html
    [4] http://lists.openstack.org/pipermail/openstack-discuss/2018-December/000645.html
    
    Change-Id: I2e00505621ba4fec99e98bc1bfb1e37d2468d96d
This commit is contained in:
Zuul 2019-02-11 21:11:58 +00:00 committed by Gerrit Code Review
parent fcd5975843
commit 408514c693
1 changed files with 1 additions and 1 deletions

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Subproject commit eb180ba68a31a65afd5cf6b86a84fc1f36b69e4d
Subproject commit 09547fd15e23c5aff6473a276ebf6b665852aac3