Add a new company Virtuozzo
Add a new company Virtuozzo

Change affiliation of Maxim Nestratov, Mikhail Feoktistov and Evgeny Antyshev
to Virtuozzo.

Change-Id: I717f10c3f7edbab80ee1ef40425971e2f7046cbe

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