PIG-3966: Document variable input arguments of UDFs (lbendig via aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1598037 13f79535-47bb-0310-9956-ffa450edef68
PIG-3958: TestMRJobStats is broken in 0.13 and trunk (aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1598040 13f79535-47bb-0310-9956-ffa450edef68
PIG-3752: Fix e2e Parallel test for Windows

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1598102 13f79535-47bb-0310-9956-ffa450edef68
PIG-3955: Remove url.openStream() file descriptor leak from JCC (aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1598116 13f79535-47bb-0310-9956-ffa450edef68
PIG-3954: Document use of user level jar cache (aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1598118 13f79535-47bb-0310-9956-ffa450edef68
PIG-3915: MapReduce queries in Pigmix outputs different results than Pig's

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1598203 13f79535-47bb-0310-9956-ffa450edef68