Update FAQ.
Update FAQ.

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