Update manuals for 6.2 release.
Update manuals for 6.2 release.

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