adding Allen Gao to stackalytics file
adding Allen Gao to stackalytics file

Change-Id: I3fc808103a7f81bd96ac0af700ddfafeb5856433

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