PIG-3277: fix the path to the benchmarks file in the print statement

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1468701 13f79535-47bb-0310-9956-ffa450edef68
PIG-3276: change the default value for hcat.bin to hcat instead of /usr/local/hcat/bin/hcat

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1468702 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk