Update instructions
Update instructions

xuegang/gpdb,atris/gpdb,CraigHarris/gpdb,lisakowen/gpdb,randomtask1155/gpdb,xuegang/gpdb,foyzur/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,rubikloud/gpdb,ahachete/gpdb,cjcjameson/gpdb,ahachete/gpdb,janebeckman/gpdb,adam8157/gpdb,royc1/gpdb,chrishajas/gpdb,adam8157/gpdb,foyzur/gpdb,kaknikhil/gpdb,Chibin/gpdb,lintzc/gpdb,randomtask1155/gpdb,rvs/gpdb,yuanzhao/gpdb,edespino/gpdb,ashwinstar/gpdb,foyzur/gpdb,adam8157/gpdb,foyzur/gpdb,adam8157/gpdb,adam8157/gpdb,zaksoup/gpdb,0x0FFF/gpdb,lisakowen/gpdb,ashwinstar/gpdb,janebeckman/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,lisakowen/gpdb,rubikloud/gpdb,lpetrov-pivotal/gpdb,royc1/gpdb,randomtask1155/gpdb,greenplum-db/gpdb,0x0FFF/gpdb,cjcjameson/gpdb,adam8157/gpdb,jmcatamney/gpdb,xuegang/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,cjcjameson/gpdb,ahachete/gpdb,jmcatamney/gpdb,lpetrov-pivotal/gpdb,rvs/gpdb,ahachete/gpdb,edespino/gpdb,lpetrov-pivotal/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,foyzur/gpdb,rvs/gpdb,atris/gpdb,Quikling/gpdb,0x0FFF/gpdb,chrishajas/gpdb,Quikling/gpdb,Quikling/gpdb,Chibin/gpdb,yuanzhao/gpdb,edespino/gpdb,tangp3/gpdb,tangp3/gpdb,lintzc/gpdb,CraigHarris/gpdb,50wu/gpdb,Quikling/gpdb,lintzc/gpdb,chrishajas/gpdb,adam8157/gpdb,lpetrov-pivotal/gpdb,xinzweb/gpdb,atris/gpdb,atris/gpdb,rubikloud/gpdb,janebeckman/gpdb,jmcatamney/gpdb,CraigHarris/gpdb,rubikloud/gpdb,zaksoup/gpdb,randomtask1155/gpdb,lpetrov-pivotal/gpdb,rvs/gpdb,tangp3/gpdb,greenplum-db/gpdb,royc1/gpdb,Chibin/gpdb,lintzc/gpdb,edespino/gpdb,Quikling/gpdb,lintzc/gpdb,Quikling/gpdb,Chibin/gpdb,rvs/gpdb,50wu/gpdb,tangp3/gpdb,zaksoup/gpdb,kaknikhil/gpdb,janebeckman/gpdb,ahachete/gpdb,randomtask1155/gpdb,atris/gpdb,lisakowen/gpdb,tangp3/gpdb,xuegang/gpdb,CraigHarris/gpdb,royc1/gpdb,atris/gpdb,50wu/gpdb,tangp3/gpdb,50wu/gpdb,randomtask1155/gpdb,xinzweb/gpdb,atris/gpdb,lpetrov-pivotal/gpdb,lintzc/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,xuegang/gpdb,chrishajas/gpdb,xuegang/gpdb,zaksoup/gpdb,zaksoup/gpdb,edespino/gpdb,Chibin/gpdb,janebeckman/gpdb,lisakowen/gpdb,Chibin/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,Quikling/gpdb,foyzur/gpdb,xinzweb/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,50wu/gpdb,xuegang/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,randomtask1155/gpdb,Quikling/gpdb,ahachete/gpdb,0x0FFF/gpdb,lpetrov-pivotal/gpdb,CraigHarris/gpdb,zaksoup/gpdb,randomtask1155/gpdb,greenplum-db/gpdb,Chibin/gpdb,janebeckman/gpdb,rvs/gpdb,ashwinstar/gpdb,royc1/gpdb,CraigHarris/gpdb,kaknikhil/gpdb,rvs/gpdb,greenplum-db/gpdb,chrishajas/gpdb,royc1/gpdb,lintzc/gpdb,CraigHarris/gpdb,50wu/gpdb,greenplum-db/gpdb,kaknikhil/gpdb,xinzweb/gpdb,Quikling/gpdb,cjcjameson/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,lisakowen/gpdb,edespino/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,rvs/gpdb,lintzc/gpdb,janebeckman/gpdb,yuanzhao/gpdb,edespino/gpdb,xinzweb/gpdb,atris/gpdb,chrishajas/gpdb,rvs/gpdb,xuegang/gpdb,lisakowen/gpdb,cjcjameson/gpdb,zaksoup/gpdb,tangp3/gpdb,Quikling/gpdb,cjcjameson/gpdb,edespino/gpdb,cjcjameson/gpdb,xinzweb/gpdb,xinzweb/gpdb,jmcatamney/gpdb,xinzweb/gpdb,0x0FFF/gpdb,greenplum-db/gpdb,foyzur/gpdb,0x0FFF/gpdb,lisakowen/gpdb,royc1/gpdb,lintzc/gpdb,cjcjameson/gpdb,royc1/gpdb,chrishajas/gpdb,rubikloud/gpdb,lpetrov-pivotal/gpdb,zaksoup/gpdb,janebeckman/gpdb,0x0FFF/gpdb,50wu/gpdb,janebeckman/gpdb,0x0FFF/gpdb,xuegang/gpdb,rvs/gpdb,ahachete/gpdb,50wu/gpdb,ahachete/gpdb,foyzur/gpdb,janebeckman/gpdb,yuanzhao/gpdb,CraigHarris/gpdb,Chibin/gpdb,chrishajas/gpdb,tangp3/gpdb,jmcatamney/gpdb,rubikloud/gpdb,Chibin/gpdb,Chibin/gpdb,kaknikhil/gpdb,rubikloud/gpdb,edespino/gpdb,ashwinstar/gpdb,adam8157/gpdb,CraigHarris/gpdb,rubikloud/gpdb,jmcatamney/gpdb,edespino/gpdb