PIG-4134: TEZ-1449 broke the build (knoguchi)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1619209 13f79535-47bb-0310-9956-ffa450edef68
PIG-4133: Need to update the default $HCAT_HOME dir in the PIG script (mnarayan via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1619268 13f79535-47bb-0310-9956-ffa450edef68