Add note about risks involved in replaying CREATE TABLESPACE commands from WAL.  A couple other grammatical improvements too.
Add note about risks involved in replaying CREATE TABLESPACE commands
from WAL.  A couple other grammatical improvements too.

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