Fix typos and trailing whitespace in documentation
Fix typos and trailing whitespace in documentation

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