PIG-3657: New partition filter extractor fails with NPE (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1556906 13f79535-47bb-0310-9956-ffa450edef68
PIG-3653: Add support for pre-deployed jars

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1556931 13f79535-47bb-0310-9956-ffa450edef68