Update FAQ.
Update FAQ.

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