PIG-3163: Pig current releases lack a UDF endsWith. This UDF tests if a given string ends with the specified suffix (sriramkrishnan via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1502930 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk