Update list to reflect recent changes to core team
Update list to reflect recent changes to core team

Add carl-baldwin
Remove gongysh

Change-Id: Ie2d936e3e5935f2c545b44d528a1ec84e28914d6

JohnGarbutt/reviewstats,cp16net/reviewstats,JohnGarbutt/reviewstats,openstack-infra/reviewstats,openstack-infra/reviewstats,cp16net/reviewstats