change copyright year 1999->2000 Minor fix
change copyright year 1999->2000
Minor fix

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