Add user Zhao Chao
Add user Zhao Chao

Change-Id: I8a2db327525cea4ef39970e8a36f6d6525b6fb1b
Signed-off-by: Zhao Chao <abb6a2f7e4fabebf6d227485f53d7acf834f1da2@gmail.com>

openstack/stackalytics,0xf2/stackalytics,openstack/stackalytics,0xf2/stackalytics,stackforge/stackalytics,0xf2/stackalytics,0xf2/stackalytics,stackforge/stackalytics,openstack/stackalytics,stackforge/stackalytics,openstack/stackalytics