Add .gitreview config file for gerrit.
Add .gitreview config file for gerrit.

Change-Id: I68cea1fe92890f10182017936f93a68ee120911d

tudorvio/tempest,Vaidyanath/tempest,armando-migliaccio/tempest,vedujoshi/os_tempest,manasi24/tempest,afaheem88/tempest,ntymtsiv/tempest,rzarzynski/tempest,jamielennox/tempest,citrix-openstack-build/tempest,Juniper/tempest,Mirantis/tempest,eggmaster/tempest,afaheem88/tempest,neerja28/Tempest,akash1808/tempest,redhat-cip/tempest,hpcloud-mon/tempest,openstack/tempest,sebrandon1/tempest,armando-migliaccio/tempest,izadorozhna/tempest,Juraci/tempest,manasi24/jiocloud-tempest-qatempest,NexusIS/tempest,LIS/lis-tempest,vmahuli/tempest,CiscoSystems/tempest,openstack/tempest,bigswitch/tempest,pandeyop/tempest,varunarya10/tempest,queria/my-tempest,adkerr/tempest,pczerkas/tempest,ebagdasa/tempest,queria/my-tempest,ntymtsiv/tempest,xbezdick/tempest,nunogt/tempest,vedujoshi/tempest,masayukig/tempest,afaheem88/tempest_neutron,cisco-openstack/tempest,citrix-openstack-build/tempest,BeenzSyed/tempest,JioCloud/tempest,hpcloud-mon/tempest,manasi24/tempest,itskewpie/tempest,alinbalutoiu/tempest,roopali8/tempest,CiscoSystems/tempest,itskewpie/tempest,jaspreetw/tempest,pandeyop/tempest,flyingfish007/tempest,danielmellado/tempest,vedujoshi/tempest,Mirantis/tempest,Vaidyanath/tempest,afaheem88/tempest_neutron,hayderimran7/tempest,varunarya10/tempest,flyingfish007/tempest,tudorvio/tempest,jamielennox/tempest,sebrandon1/tempest,Tesora/tesora-tempest,FujitsuEnablingSoftwareTechnologyGmbH/tempest,citrix-openstack/build-tempest,Lilywei123/tempest,JioCloud/tempest,rakeshmi/tempest,cloudbase/lis-tempest,izadorozhna/tempest,tonyli71/tempest,bigswitch/tempest,manasi24/jiocloud-tempest-qatempest,xbezdick/tempest,nunogt/tempest,akash1808/tempest,vmahuli/tempest,danielmellado/tempest,BeenzSyed/tempest,redhat-cip/tempest,Tesora/tesora-tempest,cloudbase/lis-tempest,roopali8/tempest,cisco-openstack/tempest,ebagdasa/tempest,rakeshmi/tempest,citrix-openstack/build-tempest,neerja28/Tempest,jaspreetw/tempest,Lilywei123/tempest,yamt/tempest,pczerkas/tempest,alinbalutoiu/tempest,adkerr/tempest,masayukig/tempest,tonyli71/tempest,eggmaster/tempest,hayderimran7/tempest,FujitsuEnablingSoftwareTechnologyGmbH/tempest,dkalashnik/tempest,LIS/lis-tempest,zsoltdudas/lis-tempest,rzarzynski/tempest,Juraci/tempest,dkalashnik/tempest,yamt/tempest,vedujoshi/os_tempest,zsoltdudas/lis-tempest,NexusIS/tempest,Juniper/tempest