Do not fail if review contains to username
Do not fail if review contains to username

Change-Id: I5fdeaad8faf3bb4f6119ab6df2cc23ed74c465d5

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