Update catalog lists for v6.2. Add documentation of some text functions. Add descriptions of some new SQL/92-compatible string functions.
Update catalog lists for v6.2.
Add documentation of some text functions.
Add descriptions of some new SQL/92-compatible string functions.

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