Clean up headers.
Clean up headers.

xinzweb/gpdb,xinzweb/gpdb,adam8157/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,lisakowen/gpdb,adam8157/gpdb,edespino/gpdb,greenplum-db/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,edespino/gpdb,lisakowen/gpdb,50wu/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,edespino/gpdb,adam8157/gpdb,Chibin/gpdb,lisakowen/gpdb,edespino/gpdb,edespino/gpdb,xinzweb/gpdb,Chibin/gpdb,jmcatamney/gpdb,edespino/gpdb,yuanzhao/gpdb,lisakowen/gpdb,Chibin/gpdb,greenplum-db/gpdb,edespino/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,adam8157/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,Chibin/gpdb,adam8157/gpdb,lisakowen/gpdb,adam8157/gpdb,lisakowen/gpdb,greenplum-db/gpdb,xinzweb/gpdb,50wu/gpdb,Chibin/gpdb,ashwinstar/gpdb,50wu/gpdb,greenplum-db/gpdb,50wu/gpdb,Chibin/gpdb,jmcatamney/gpdb,lisakowen/gpdb,50wu/gpdb,jmcatamney/gpdb,Chibin/gpdb,edespino/gpdb,Chibin/gpdb,50wu/gpdb,lisakowen/gpdb,ashwinstar/gpdb,xinzweb/gpdb,adam8157/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,xinzweb/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,xinzweb/gpdb,yuanzhao/gpdb,xinzweb/gpdb,adam8157/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,Chibin/gpdb,50wu/gpdb,Chibin/gpdb,50wu/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,edespino/gpdb,ashwinstar/gpdb,edespino/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,jmcatamney/gpdb