PIG-3956: UDF profile is often misleading (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1596909 13f79535-47bb-0310-9956-ffa450edef68
PIG-3960: Compile fail against Hadoop 2.4.0 after PIG-3913

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1596942 13f79535-47bb-0310-9956-ffa450edef68