Update/correct inheritance examples.
Update/correct inheritance examples.

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