PIG-3267: HCatStorer fail in limit query

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PIG-3282: Pig pom.xml does not bring in joda-time as dependency

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PIG-3122: Operators should not implicitly become reserved keywords (jcoveney via cheolsoo)

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PIG-3269: In operator support (cheolsoo)

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PIG-3268: Case statement support (cheolsoo)

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NETFLIX-BUILD: fix Pig version in pig.pom
Properly commit PIG-2778

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PIG-3172: Partition filter push down does not happen when there is a non partition key map column filter (rohini)

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