Add:
Add:

> * Merge hardwired timezone names with the TZ database; allow either kind
>   everywhere a TZ name is currently taken
> * Allow customization of the known set of TZ names (generalize the
>   present australian_timezones hack)

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