This is a mechanically generated change to replace openstack.org
git:// URLs with https:// equivalents.

This is in aid of a planned future move of the git hosting
infrastructure to a self-hosted instance of gitea (https://gitea.io),
which does not support the git wire protocol at this stage.

This update should result in no functional change.

For more information see the thread at

 http://lists.openstack.org/pipermail/openstack-discuss/2019-March/003825.html

Change-Id: I96de94e04c78b2a39d319a4951731c7095cdc5f3

This is a squash of two commits that need to be merged together in order
to get all tests to pass:

Commit message #1:

Use Zuul v3 fetch-subunit-output

We have consolidated the fetch output roles into one
fetch-subunit-output, replace useage of old roles with new one.

Original change-id: Iae2892d9b4cd870a11579434edc9ee66bd16798c
(cherry picked from commit 0a2ee90204068a1284f207397bcb253ec1e13c7e)

Commit message #2:

Fix sphinx-docs job for stable branch

build-openstack-sphinx-docs jobs fail on stable branches because the
new pip version 10 changed a Warning into an Error: When calling
"pip install" without any package name, the command now fails.
tox_install.sh is being called during docs job without any package
passed to pip.

Note that this only affects stable/pike and older, so there is no patch
in master to cherry-pick this from. Newer branches use a different way
to set up the tox environment.

Depends-On: https://review.openstack.org/573665
Change-Id: I35e9ede7103031ea3ea45e35d743e63059fb8d0b

Tox tests are run on developer machines and on long lived slaves. We
should not leave lots of directories like
/tmp/python-openstackclient-tox_install-sdnltRu lying around.

Instead delete the temporary directory after our run.

Remove also an obsolete comment.

Change-Id: I939eae82dba3287fd4e4086128ebf4609a0e0770

The usage of zuul-cloner in tox_install breaks post and periodic jobs.
Update the script, it does not need to handle unconstrainted installs
anymore (see tox.ini). There's no need to set ZUUL_BRANCH explicitely
- it's set via the environment and branch is passed in as well.

Note that this script is needed for the edit-constraints call, add a
comment.

Change-Id: I0077c986a17d6bb92791474e03d1e77776e9382f
Closes-Bug: #1615430

With the exception of releasenotes and cover, we should follow
upper constraints. The tox_install file was copied over from
python-neutronclient [1].

[1] http://git.openstack.org/cgit/openstack/python-neutronclient/tree/tools/tox_install.sh

Change-Id: I633fa149820efafd7b2acec0388fa8bc8d06c988