PIG-3155: TestTypeCheckingValidatorNewLP.testSortWithInnerPlan3 fails in trunk (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1444602 13f79535-47bb-0310-9956-ffa450edef68
PIG-3156: TestSchemaTuple fails in trunk (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1444603 13f79535-47bb-0310-9956-ffa450edef68
Revert PIG-3135 and PIG-3145


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1444629 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' of https://github.com/apache/pig into trunk