Allow underscores in user names.
Allow underscores in user names.

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