Since the old repository is not maintained, this patch aims to change
to a repository that can be maintained for now, providing faster way
to make changes as necessary like we did in [1] and [2].
[1]: https://review.openstack.org/#/c/587173/
[2]: https://review.openstack.org/#/c/583634/
Change-Id: Ib125743b3ddc336da245bd77fa444f004f7e30c4