Include more details on editing with Emacs. Remove mention of the old "migration" flat files. Change URLs for resources to point to areas, not particular files.  That way things stay correct even when version of tools change.  Suggested by Vince Vielhaber.
Include more details on editing with Emacs.
Remove mention of the old "migration" flat files.
Change URLs for resources to point to areas, not particular files.
 That way things stay correct even when version of tools change.
 Suggested by Vince Vielhaber.

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