Please review this small change that allows a user to specify a location for the JIB cache when running jtreg tests that use the JIB Artifact resolver.
Webrev: http://cr.openjdk.java.net/~ctornqvi/webrev/8189115/webrev.00/ <http://cr.openjdk.java.net/~ctornqvi/webrev/8189115/webrev.00/> Thanks, Christian
