Update FAQ.
Update FAQ.

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