Minor improvements in descriptions of recent changes.
Minor improvements in descriptions of recent changes.

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