Modify output of VACUUM VERBOSE to be clearer.
Modify output of VACUUM VERBOSE to be clearer.

edespino/gpdb,royc1/gpdb,50wu/gpdb,greenplum-db/gpdb,snaga/postgres-xl,janebeckman/gpdb,lpetrov-pivotal/gpdb,ahachete/gpdb,Quikling/gpdb,royc1/gpdb,jmcatamney/gpdb,postmind-net/postgres-xl,atris/gpdb,Quikling/gpdb,edespino/gpdb,kmjungersen/PostgresXL,tangp3/gpdb,edespino/gpdb,randomtask1155/gpdb,Chibin/gpdb,kmjungersen/PostgresXL,greenplum-db/gpdb,royc1/gpdb,zeroae/postgres-xl,randomtask1155/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,ovr/postgres-xl,kaknikhil/gpdb,yuanzhao/gpdb,rubikloud/gpdb,Quikling/gpdb,pavanvd/postgres-xl,lisakowen/gpdb,Chibin/gpdb,Quikling/gpdb,zaksoup/gpdb,atris/gpdb,kmjungersen/PostgresXL,randomtask1155/gpdb,xuegang/gpdb,randomtask1155/gpdb,chrishajas/gpdb,0x0FFF/gpdb,yuanzhao/gpdb,zaksoup/gpdb,adam8157/gpdb,lintzc/gpdb,tpostgres-projects/tPostgres,zaksoup/gpdb,randomtask1155/gpdb,arcivanov/postgres-xl,0x0FFF/gpdb,xuegang/gpdb,tpostgres-projects/tPostgres,kaknikhil/gpdb,kaknikhil/gpdb,tangp3/gpdb,lintzc/gpdb,rubikloud/gpdb,janebeckman/gpdb,xuegang/gpdb,jmcatamney/gpdb,lintzc/gpdb,royc1/gpdb,rubikloud/gpdb,adam8157/gpdb,atris/gpdb,adam8157/gpdb,ashwinstar/gpdb,Chibin/gpdb,Quikling/gpdb,pavanvd/postgres-xl,Chibin/gpdb,xuegang/gpdb,chrishajas/gpdb,jmcatamney/gpdb,xuegang/gpdb,zeroae/postgres-xl,snaga/postgres-xl,lintzc/gpdb,CraigHarris/gpdb,xinzweb/gpdb,0x0FFF/gpdb,ashwinstar/gpdb,kaknikhil/gpdb,xinzweb/gpdb,tangp3/gpdb,cjcjameson/gpdb,chrishajas/gpdb,Quikling/gpdb,lisakowen/gpdb,ahachete/gpdb,oberstet/postgres-xl,yazun/postgres-xl,lpetrov-pivotal/gpdb,rvs/gpdb,lintzc/gpdb,cjcjameson/gpdb,zaksoup/gpdb,lpetrov-pivotal/gpdb,xinzweb/gpdb,cjcjameson/gpdb,postmind-net/postgres-xl,xinzweb/gpdb,techdragon/Postgres-XL,50wu/gpdb,Chibin/gpdb,rvs/gpdb,rubikloud/gpdb,ahachete/gpdb,lpetrov-pivotal/gpdb,janebeckman/gpdb,lintzc/gpdb,royc1/gpdb,atris/gpdb,atris/gpdb,yazun/postgres-xl,atris/gpdb,foyzur/gpdb,xuegang/gpdb,chrishajas/gpdb,Chibin/gpdb,ashwinstar/gpdb,royc1/gpdb,cjcjameson/gpdb,0x0FFF/gpdb,greenplum-db/gpdb,0x0FFF/gpdb,zeroae/postgres-xl,yazun/postgres-xl,cjcjameson/gpdb,rvs/gpdb,yuanzhao/gpdb,oberstet/postgres-xl,tangp3/gpdb,kmjungersen/PostgresXL,tpostgres-projects/tPostgres,arcivanov/postgres-xl,zaksoup/gpdb,rvs/gpdb,foyzur/gpdb,rvs/gpdb,rvs/gpdb,janebeckman/gpdb,cjcjameson/gpdb,zaksoup/gpdb,lpetrov-pivotal/gpdb,janebeckman/gpdb,foyzur/gpdb,kaknikhil/gpdb,lisakowen/gpdb,jmcatamney/gpdb,rvs/gpdb,Postgres-XL/Postgres-XL,greenplum-db/gpdb,cjcjameson/gpdb,xinzweb/gpdb,cjcjameson/gpdb,ashwinstar/gpdb,CraigHarris/gpdb,Postgres-XL/Postgres-XL,oberstet/postgres-xl,CraigHarris/gpdb,edespino/gpdb,CraigHarris/gpdb,greenplum-db/gpdb,arcivanov/postgres-xl,kaknikhil/gpdb,edespino/gpdb,janebeckman/gpdb,arcivanov/postgres-xl,edespino/gpdb,lisakowen/gpdb,chrishajas/gpdb,0x0FFF/gpdb,Chibin/gpdb,tangp3/gpdb,ahachete/gpdb,Quikling/gpdb,chrishajas/gpdb,rvs/gpdb,ahachete/gpdb,zeroae/postgres-xl,0x0FFF/gpdb,arcivanov/postgres-xl,ashwinstar/gpdb,yuanzhao/gpdb,kmjungersen/PostgresXL,lintzc/gpdb,zaksoup/gpdb,oberstet/postgres-xl,chrishajas/gpdb,ahachete/gpdb,CraigHarris/gpdb,kaknikhil/gpdb,Quikling/gpdb,rubikloud/gpdb,lisakowen/gpdb,jmcatamney/gpdb,tangp3/gpdb,pavanvd/postgres-xl,Postgres-XL/Postgres-XL,janebeckman/gpdb,xuegang/gpdb,Quikling/gpdb,greenplum-db/gpdb,lisakowen/gpdb,royc1/gpdb,kaknikhil/gpdb,snaga/postgres-xl,ovr/postgres-xl,randomtask1155/gpdb,kaknikhil/gpdb,rubikloud/gpdb,adam8157/gpdb,postmind-net/postgres-xl,edespino/gpdb,lintzc/gpdb,adam8157/gpdb,ovr/postgres-xl,zaksoup/gpdb,rubikloud/gpdb,ovr/postgres-xl,foyzur/gpdb,Chibin/gpdb,snaga/postgres-xl,yuanzhao/gpdb,yazun/postgres-xl,50wu/gpdb,rubikloud/gpdb,atris/gpdb,postmind-net/postgres-xl,techdragon/Postgres-XL,Chibin/gpdb,foyzur/gpdb,yuanzhao/gpdb,50wu/gpdb,foyzur/gpdb,pavanvd/postgres-xl,cjcjameson/gpdb,ahachete/gpdb,chrishajas/gpdb,tpostgres-projects/tPostgres,ovr/postgres-xl,ahachete/gpdb,cjcjameson/gpdb,xinzweb/gpdb,snaga/postgres-xl,adam8157/gpdb,xinzweb/gpdb,randomtask1155/gpdb,edespino/gpdb,adam8157/gpdb,janebeckman/gpdb,tangp3/gpdb,50wu/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,techdragon/Postgres-XL,lpetrov-pivotal/gpdb,jmcatamney/gpdb,Postgres-XL/Postgres-XL,kaknikhil/gpdb,postmind-net/postgres-xl,jmcatamney/gpdb,arcivanov/postgres-xl,Chibin/gpdb,50wu/gpdb,CraigHarris/gpdb,techdragon/Postgres-XL,xuegang/gpdb,foyzur/gpdb,xuegang/gpdb,xinzweb/gpdb,janebeckman/gpdb,yuanzhao/gpdb,lpetrov-pivotal/gpdb,tangp3/gpdb,pavanvd/postgres-xl,CraigHarris/gpdb,lpetrov-pivotal/gpdb,oberstet/postgres-xl,edespino/gpdb,adam8157/gpdb,yazun/postgres-xl,edespino/gpdb,randomtask1155/gpdb,CraigHarris/gpdb,Quikling/gpdb,yuanzhao/gpdb,lisakowen/gpdb,rvs/gpdb,royc1/gpdb,foyzur/gpdb,atris/gpdb,techdragon/Postgres-XL,zeroae/postgres-xl,rvs/gpdb,0x0FFF/gpdb,Postgres-XL/Postgres-XL,ashwinstar/gpdb,50wu/gpdb,tpostgres-projects/tPostgres,yuanzhao/gpdb,janebeckman/gpdb,50wu/gpdb,ashwinstar/gpdb,CraigHarris/gpdb,lintzc/gpdb,lisakowen/gpdb