PIG-383 Added relation name to describe output.
PIG-383 Added relation name to describe output.



git-svn-id: 4ff56aa9a0c4abd58cc217fc27222e493f9c9a6f@689293 13f79535-47bb-0310-9956-ffa450edef68

apache/pig,apache/pig,apache/pig,apache/pig,apache/pig,apache/pig,apache/pig