PIG-3463: Pig should use hadoop local mode for small jobs (aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1560285 13f79535-47bb-0310-9956-ffa450edef68
PIG-3654: Add class cache to PigContext

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1560468 13f79535-47bb-0310-9956-ffa450edef68
PIG-3654: Add class cache to PigContext

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1560469 13f79535-47bb-0310-9956-ffa450edef68
PIG-2207: Support custom counters for aggregating warnings from different udfs (aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1560584 13f79535-47bb-0310-9956-ffa450edef68
PIG-3511: Security: Pig temporary directories might have world readable permissions (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1560587 13f79535-47bb-0310-9956-ffa450edef68
PIG-3677: ConfigurationUtil.getLocalFSProperties can return an inconsistent property set (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1560588 13f79535-47bb-0310-9956-ffa450edef68
PIG-2207 should be put in "INCOMPATIBLE CHANGES"

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1560777 13f79535-47bb-0310-9956-ffa450edef68
PIG-3661: Piggybank AvroStorage fails if used in more than one load or store statement (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1561213 13f79535-47bb-0310-9956-ffa450edef68
PIG-3463 Add missing test file (aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1561258 13f79535-47bb-0310-9956-ffa450edef68
PIG-2207: Add missing null check for msgMap

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1561259 13f79535-47bb-0310-9956-ffa450edef68
PIG-3682: mvn-inst target does not install pig-h2.jar into local .m2 (raluri via aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1562662 13f79535-47bb-0310-9956-ffa450edef68
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-3642-5