Add documentation for pulling the CVS repository using rsync, and mention cvsup last.
Add documentation for pulling the CVS repository using rsync, and
mention cvsup last.

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