PIG-3730: Performance issue in SelfSpillBag (rajesh.balamohan via rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1562886 13f79535-47bb-0310-9956-ffa450edef68
PIG-3641: Split "otherwise" producing incorrect output when combined with ColumnPruning (knoguchi)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1562894 13f79535-47bb-0310-9956-ffa450edef68
PIG-3722: Udf deserialization for registered classes fails in local_mode (aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1562941 13f79535-47bb-0310-9956-ffa450edef68
PIG-3652: Pigmix parser (PigPerformanceLoader) deletes chars during parsing

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1563015 13f79535-47bb-0310-9956-ffa450edef68