PIG-3457: Provide backward compatibility for PigStatsUtil and JobStats

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1524532 13f79535-47bb-0310-9956-ffa450edef68
Merged latest trunk changes to tez branch


git-svn-id: https://svn.apache.org/repos/asf/pig/branches/tez@1525017 13f79535-47bb-0310-9956-ffa450edef68
PIG-3367: Add assert keyword (operator) in pig (aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1525045 13f79535-47bb-0310-9956-ffa450edef68
PIG-3410: LimitOptimizer is applied before PartitionFilterOptimizer - missing files (aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1525096 13f79535-47bb-0310-9956-ffa450edef68
PIG-3199: Provide a method to retriever name of loader/storer in PigServer

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1525162 13f79535-47bb-0310-9956-ffa450edef68
PIG-3199: Provide a method to retriever name of loader/storer in PigServer

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1525163 13f79535-47bb-0310-9956-ffa450edef68
PIG-3471: Add a base abstract class for ExecutionEngine (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1525165 13f79535-47bb-0310-9956-ffa450edef68
Merged latest trunk changes to tez branch


git-svn-id: https://svn.apache.org/repos/asf/pig/branches/tez@1525170 13f79535-47bb-0310-9956-ffa450edef68
PIG-3448: Tez backend layout (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/branches/tez@1525177 13f79535-47bb-0310-9956-ffa450edef68
PIG-2417: Streaming UDFs - allow users to easily write UDFs in scripting languages with no JVM implementation

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1525632 13f79535-47bb-0310-9956-ffa450edef68
Preparing for release 0.12.0

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1525756 13f79535-47bb-0310-9956-ffa450edef68
Preparing for 0.13.0 development

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1525758 13f79535-47bb-0310-9956-ffa450edef68
PIG-3461: Rewrite PartitionFilterOptimizer to make it work for all the cases (aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1525970 13f79535-47bb-0310-9956-ffa450edef68
PIG-3479: Fix BigInt, BigDec, Date serialization. Improve perf of PigNullableWritable deserilization

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1526042 13f79535-47bb-0310-9956-ffa450edef68
PIG-3468: PIG-3123 breaks e2e test Jython_Diagnostics_2

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1526051 13f79535-47bb-0310-9956-ffa450edef68
PIG-3360: Some intermittent negative e2e tests fail on hadoop 2

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1526053 13f79535-47bb-0310-9956-ffa450edef68
PIG-3458: ScalarExpression lost with multiquery optimization (knoguchi)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1526254 13f79535-47bb-0310-9956-ffa450edef68
PIG-2417 - fix for compilation failure due to unmappable character for encoding UTF8 (jeremykarn via rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1526287 13f79535-47bb-0310-9956-ffa450edef68
PIG-3487: Fix syntax errors in nightly.conf

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1526591 13f79535-47bb-0310-9956-ffa450edef68
PIG-3370: Add New Reserved Keywords To The Pig Docs (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1526722 13f79535-47bb-0310-9956-ffa450edef68