Syncs:
c78b2ab Avoid using cfg in install_venv_common
So that people don't need oslo-config installed to run install_venv
Change-Id: Ie9b703255e8fdd1faa32b4e995efd858b3801801
This commit syncs the latest install_venv_common from oslo which
fixes an issue with importing from tempest.openstack.common. This
is needed to run tools/install_venv.py in a non-devstack environment.
Change-Id: I37812c9e0cd432a05ef63eba38fb91ea6df98a0b
This syncs install_venv_common.py from oslo and reworks the
tools/install_venv.py script to use the new library.
Change-Id: I817ca5f317dc360e787f42697ad717ac77c1ae24
