Rename tuturials for char2/char16 removal.
Rename tuturials for char2/char16 removal.

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