PIG-3109: Missing license headers (jarcec via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1438240 13f79535-47bb-0310-9956-ffa450edef68
PIG-3031: Update Pig to use a newer version of joda-time (zjshen via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1438273 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' of git://git.apache.org/pig into PIG3136