Change gpconfig exit status for option parsing.
Change gpconfig exit status for option parsing.

Currently, the gpconfig utility is exiting with status 0 when one of
the option parsing checks fail.  It should return 1 instead.

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