Add mention that pg_ctl will return an accurate exit code when waiting for startup or shutdown.  We have always done this but it wasn't documented.
Add mention that pg_ctl will return an accurate exit code when waiting
for startup or shutdown.  We have always done this but it wasn't documented.

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