PIG-3516: pig does not bring in joda-time as dependency in its pig-template.xml

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1579348 13f79535-47bb-0310-9956-ffa450edef68
PIG-3815: Hadoop bug causes to pig to fail silently with jar cache- minor refactor

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1579354 13f79535-47bb-0310-9956-ffa450edef68
PIG-3807: Pig creates wrong schema after dereferencing nested tuple fields with sorts

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1579404 13f79535-47bb-0310-9956-ffa450edef68
PIG-3818: PIG-2499 is accidently reverted

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PIG-3818: PIG-2499 is accidently reverted

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1579447 13f79535-47bb-0310-9956-ffa450edef68
PIG-3820: TestAvroStorage fail on some OS

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