PIG-3593: Import jython standard module fail on cluster

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1546468 13f79535-47bb-0310-9956-ffa450edef68
PIG-2629: Wrong Usage of Scalar which is null causes high namenode operation (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1548342 13f79535-47bb-0310-9956-ffa450edef68
PIG-3607: PigRecordReader should report progress for each inputsplit processed (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1548344 13f79535-47bb-0310-9956-ffa450edef68
PIG-3612: Storing schema does not work cross cluster with PigStorage and JsonStorage (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1548345 13f79535-47bb-0310-9956-ffa450edef68
PIg-3619 Provide XPath function


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1550862 13f79535-47bb-0310-9956-ffa450edef68
PIG-3633: AvroStorage tests are failing when running against Avro 1.7.5 (jarcec via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1552051 13f79535-47bb-0310-9956-ffa450edef68
PIG-3572: Fix all unit test for during build pig with Hadoop 2.X on Windows

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1552145 13f79535-47bb-0310-9956-ffa450edef68
PIG-3572: Fix all unit test for during build pig with Hadoop 2.X on Windows

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1552148 13f79535-47bb-0310-9956-ffa450edef68
PIG-3592: Should not try to create success file for non-fs schemes like hbase (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1552158 13f79535-47bb-0310-9956-ffa450edef68
PIG-3621: Python Avro library can't read Avros made with builtin AvroStorage (rusell.jurney via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1552214 13f79535-47bb-0310-9956-ffa450edef68
Move PIG-3621 under 0.12.1


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1552217 13f79535-47bb-0310-9956-ffa450edef68
PIG-3584: AvroStorage does not correctly translate arrays of strings (jadler via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1552387 13f79535-47bb-0310-9956-ffa450edef68
PIG-3609: ClassCastException when calling compareTo method on AvroBagWrapper (rding via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1553243 13f79535-47bb-0310-9956-ffa450edef68
PIG-3640: Retain intermediate files for debugging purpose in batch mode (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1553245 13f79535-47bb-0310-9956-ffa450edef68
Merge latest trunk changes


git-svn-id: https://svn.apache.org/repos/asf/pig/branches/tez@1553255 13f79535-47bb-0310-9956-ffa450edef68