PIG-3540: e2e test for tez

git-svn-id: https://svn.apache.org/repos/asf/pig/branches/tez@1535175 13f79535-47bb-0310-9956-ffa450edef68
PIG-3540: e2e test for tez

git-svn-id: https://svn.apache.org/repos/asf/pig/branches/tez@1535192 13f79535-47bb-0310-9956-ffa450edef68
PIG-3540: e2e test for tez (revert unintended change)

git-svn-id: https://svn.apache.org/repos/asf/pig/branches/tez@1535194 13f79535-47bb-0310-9956-ffa450edef68
PIG-3540: e2e test for tez (revert unintended change one more time)


git-svn-id: https://svn.apache.org/repos/asf/pig/branches/tez@1535196 13f79535-47bb-0310-9956-ffa450edef68
PIG-3533: Make register work

git-svn-id: https://svn.apache.org/repos/asf/pig/branches/tez@1535201 13f79535-47bb-0310-9956-ffa450edef68
TezStats update