PIG-3497: JobControlCompiler should only do reducer estimation when the job has a reduce phase (amatsukawa via aniket486)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1529075 13f79535-47bb-0310-9956-ffa450edef68
Revert PIG-3434: Null subexpression in bincond nullifies outer tuple (or bag)

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PIG-3483: Document ASSERT keyword

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PIG-3483: Document ASSERT keyword

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PIG-3445: Make Parquet format available out of the box in Pig (lbendig via aniket486)

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PIG-3128: Document the BigInteger and BigDecimal data type (daijy via cheolsoo)


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PIG-3503: More document for Pig 0.12 new features

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Add missing License Header

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Include test-log4j.properties in release

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PIG-3504: Fix e2e Describe_cmdline_12

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PIG-3496: Propagate HBase 0.95 jars to the backend (Jarek Jarcec Cecho  via xuefuz)

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Revert PIG-3457: Provide backward compatibility for PigStatsUtil and JobStats

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Merged latest trunk changes to tez branch


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PIG-3500: Initial implementation of TezCompiler


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PIG-3501: Initial implementation of TezJobControlCompiler


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PIG-3449: Move JobCreationException to org.apache.pig.backend.hadoop.executionengine


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