PIG-4246: HBaseStorage should implement getShipFiles (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/branches/branch-0.14@1634073 13f79535-47bb-0310-9956-ffa450edef68
PIG-3456: Reduce threadlocal conf access in backend for each record (PIG-3456-fixtest.patch)

git-svn-id: https://svn.apache.org/repos/asf/pig/branches/branch-0.14@1634127 13f79535-47bb-0310-9956-ffa450edef68