exclude contrib/tsearch2 from regression tests.
exclude contrib/tsearch2 from regression tests.

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