Merge "Update Centos 7 devstack images"

diff --cc jjb/defaults.yaml
index 2f85e163c4b84682d2ff8ecdfcff248cacf62a34,8701e8ef639ecac87129eeb2ee1520f19c20efce..57ebbe2fb899b770154ca28ae01eb64ee54ff111
--- 1/jjb/defaults.yaml
--- 2/jjb/defaults.yaml
+++ b/jjb/defaults.yaml
@@@ -96,13 -92,13 +96,13 @@@
      docker_system_image: ZZCI - CentOS 7 - docker - 20180417-0311
      odl_system_count: 1
      odl_system_flavor: odl-highcpu-4
 -    odl_system_image: ZZCI - CentOS 7 - builder - 20180611-1830
 +    odl_system_image: ZZCI - CentOS 7 - builder - 20180723-235310.638
      openstack_system_count: 1
      openstack_system_flavor: odl-standard-4
-     openstack_system_image: ZZCI - CentOS 7 - devstack - 20171208-1648
+     openstack_system_image: ZZCI - CentOS 7 - devstack - 20180723-235345.727
      openstack_system2_count: 0
      openstack_system2_flavor: odl-standard-1
-     openstack_system2_image: ZZCI - CentOS 7 - devstack - 20171208-1648
+     openstack_system2_image: ZZCI - CentOS 7 - devstack - 20180723-235345.727
      tools_system_count: 1
      tools_system_flavor: odl-highcpu-2
      tools_system_image: ZZCI - Ubuntu 16.04 - mininet-ovs-25 - 20171208-1847