Add documentation of memory and time units to postgresql.conf. Backpatch to 8.2.X for new initdbs.
Add documentation of memory and time units to postgresql.conf.
Backpatch to 8.2.X for new initdbs.

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