mmgr README tweak: "either" is no longer correct. The previous wording compared PortalContext with QueryContext, but the latter no longer exists.
mmgr README tweak: "either" is no longer correct. The previous wording
compared PortalContext with QueryContext, but the latter no longer exists.

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