Minor code beautification, extensive improvement of comments.  This file was full of obsolete and just plain wrong commentary...
Minor code beautification, extensive improvement of
comments.  This file was full of obsolete and just plain wrong
commentary...

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