Add odsreg application to gerrit under openstack-infra. This won't use gate tests or generate tarballs for the time being. This is the first step towards further automating the setup of summit.openstack.org (currently manually set up). Change-Id: I964f3a51029a87cddc5b24fd431b9880ccb64824 Reviewed-on: https://review.openstack.org/32129 Reviewed-by: James E. Blair <corvus@inaugust.com> Reviewed-by: Clark Boylan <clark.boylan@gmail.com> Reviewed-by: Jeremy Stanley <fungi@yuggoth.org> Approved: Clark Boylan <clark.boylan@gmail.com> Tested-by: Jenkins