PIG-3538: Make limit work (ambcloses via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/branches/tez@1535596 13f79535-47bb-0310-9956-ffa450edef68
PIG-3546: Fix tez Checkin_2

git-svn-id: https://svn.apache.org/repos/asf/pig/branches/tez@1535628 13f79535-47bb-0310-9956-ffa450edef68