Gate: Allow jenkins user access to logs
Gate: Allow jenkins user access to logs

The logs collected by the gate check are not all readable by the
jenkins user in OpenStack-CI. This patch ensures that it does.

Change-Id: Ie8197c1aaccbbb052b7f58bb396fe1e1afb1b7cf

major/os-ansible-deployment,major/os-ansible-deployment,BjoernT/os-ansible-deployment,cloudnull/os-ansible-deployment,yanyao/openstack-ansible,BjoernT/os-ansible-deployment,robb-romans/openstack-ansible,bunchc/openstack-ansible,robb-romans/openstack-ansible,weezer/openstack-ansible,mancdaz/openstack-ansible,weezer/openstack-ansible,cfarquhar/openstack-ansible,BjoernT/openstack-ansible,BjoernT/os-ansible-deployment,Logan2211/openstack-ansible,os-cloud/os-ansible-deployment,mrda/openstack-ansible,major/openstack-ansible,stackforge/os-ansible-deployment,mrda/openstack-ansible,openstack/openstack-ansible,yanyao/openstack-ansible,Logan2211/openstack-ansible,major/openstack-ansible,yanyao/newton,mrda/openstack-ansible,yanyao/newton,openstack/openstack-ansible,os-cloud/os-ansible-deployment,stackforge/os-ansible-deployment,mancdaz/openstack-ansible,cfarquhar/openstack-ansible,bunchc/openstack-ansible,cloudnull/os-ansible-deployment,BjoernT/openstack-ansible