Update copyright statement (#1193)
Update copyright statement (#1193)

Update copyright statement

Adresses #1056
Chibin/gpdb,cjcjameson/gpdb,lisakowen/gpdb,adam8157/gpdb,Quikling/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,Quikling/gpdb,ashwinstar/gpdb,xinzweb/gpdb,janebeckman/gpdb,edespino/gpdb,kaknikhil/gpdb,janebeckman/gpdb,jmcatamney/gpdb,janebeckman/gpdb,kaknikhil/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,xinzweb/gpdb,yuanzhao/gpdb,edespino/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,adam8157/gpdb,rvs/gpdb,greenplum-db/gpdb,kaknikhil/gpdb,xinzweb/gpdb,kaknikhil/gpdb,lisakowen/gpdb,lisakowen/gpdb,rvs/gpdb,cjcjameson/gpdb,rvs/gpdb,yuanzhao/gpdb,Chibin/gpdb,Chibin/gpdb,Quikling/gpdb,Chibin/gpdb,xinzweb/gpdb,rvs/gpdb,lintzc/gpdb,kaknikhil/gpdb,lisakowen/gpdb,rvs/gpdb,lintzc/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,Chibin/gpdb,yuanzhao/gpdb,edespino/gpdb,rvs/gpdb,lisakowen/gpdb,janebeckman/gpdb,50wu/gpdb,adam8157/gpdb,Quikling/gpdb,greenplum-db/gpdb,rvs/gpdb,lisakowen/gpdb,Chibin/gpdb,adam8157/gpdb,janebeckman/gpdb,edespino/gpdb,greenplum-db/gpdb,50wu/gpdb,ashwinstar/gpdb,lisakowen/gpdb,50wu/gpdb,xinzweb/gpdb,adam8157/gpdb,ashwinstar/gpdb,janebeckman/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,edespino/gpdb,yuanzhao/gpdb,rvs/gpdb,50wu/gpdb,kaknikhil/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,janebeckman/gpdb,lintzc/gpdb,kaknikhil/gpdb,edespino/gpdb,50wu/gpdb,lintzc/gpdb,jmcatamney/gpdb,xinzweb/gpdb,janebeckman/gpdb,ashwinstar/gpdb,Quikling/gpdb,greenplum-db/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,lisakowen/gpdb,Chibin/gpdb,cjcjameson/gpdb,Chibin/gpdb,jmcatamney/gpdb,50wu/gpdb,edespino/gpdb,50wu/gpdb,lintzc/gpdb,Quikling/gpdb,rvs/gpdb,edespino/gpdb,lintzc/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,rvs/gpdb,xinzweb/gpdb,edespino/gpdb,lintzc/gpdb,edespino/gpdb,adam8157/gpdb,janebeckman/gpdb,Chibin/gpdb,janebeckman/gpdb,Quikling/gpdb,50wu/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,xinzweb/gpdb,adam8157/gpdb,cjcjameson/gpdb,Quikling/gpdb,adam8157/gpdb,ashwinstar/gpdb,Chibin/gpdb,Quikling/gpdb,yuanzhao/gpdb,Quikling/gpdb,lintzc/gpdb,lintzc/gpdb