Clean up thread test program.
Clean up thread test program.

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