PIG-3337: Fix remaining Window e2e tests

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1487967 13f79535-47bb-0310-9956-ffa450edef68
PIG-3334: Fix Windows piggybank unit test failures

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1487970 13f79535-47bb-0310-9956-ffa450edef68
PIG-3310: ImplicitSplitInserter does not generate new uids for nested schema fields, leading to miscomputations

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1487972 13f79535-47bb-0310-9956-ffa450edef68
PIG-3310: ImplicitSplitInserter does not generate new uids for nested schema fields, leading to miscomputations

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1487974 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk