Update FAQ.
Update FAQ.

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