Add gate-networking-ovn-python34 job

[Richard Theis]

OpenStack is moving to Python 3 support, but networking-ovn only gates on Python 2 via gate-networking-ovn-python27. A gate-networking-ovn-python34 job is needed for networking-ovn.

Related mailing list discussion: http://lists.openstack.org/pipermail/openstack-dev/2016-June/097930.html

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/334594

[Richard Theis (rtheis)]

Fix also proposed to openstack-infra: https://review.openstack.org/#/c/334585/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/334594
Committed: https://git.openstack.org/cgit/openstack/networking-ovn/commit/?id=5f95a06cd5c91e131c2ec60bda3e1d0d4bc10388
Submitter: Jenkins
Branch: master

commit 5f95a06cd5c91e131c2ec60bda3e1d0d4bc10388
Author: Richard Theis <email address hidden>
Date: Mon Jun 27 10:56:00 2016 -0500

    Fix py34 unit test failures

    This patch set fixes py34 test failures in preparation for a new
    gate-networking-ovn-python34 job [1].

    [1] https://review.openstack.org/#/c/334585/

    Change-Id: I059172e0fe3993cb23887e48a6b471b9ad8d156d
    Partial-Bug: #1596090

[Richard Theis (rtheis)]

openstack-infra patch has merged: https://review.openstack.org/#/c/334585/

[Richard Theis (rtheis)]

Final openstack-infra patch to switch python34 to voting is on hold until we confirm the non-voting job is stable: https://review.openstack.org/#/c/335605/

[Richard Theis (rtheis)]

The non-voting job is stable so https://review.openstack.org/#/c/335605/ is ready to merge.

[Richard Theis (rtheis)]

https://review.openstack.org/#/c/335605/ has merged