build - Only find ivy lock file if /opt/releng/tools exists.
build - Only find ivy lock file if /opt/releng/tools exists.

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