Update README for oid2name.
Update README for oid2name.

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