build-openstack-sphinx-docs jobs fail on stable branches due to the new
pip version 10 introduces some previously Warning as Error: in case of
calling "pip install" without any package name, the command fails.
tox_install.sh is called during docs job without any package passed to pip.
Change-Id: I391c779e4692d5de526dfda035843b8f5e267a75
Adding constraints support to libraries is slightly more complex than
services as the libraries themselves are listed in upper-constraints.txt
which leads to errors that you can't install a specific version and a
constrained version.
This change adds constraints support by also adding a helper script to
edit the constraints to remove oslosphinx.
Change-Id: I3daafcf22e2d9a1cd73d389debe3b27eccc91910
Import run_cross_tests.sh from the incubator to make it easier to test
the theme and other extensions against existing repositories.
Change-Id: Ic36c8950d7cdafcfe74f88ed7dde00f98534b2af