PIG-4158: TestAssert is broken in trunk (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1622966 13f79535-47bb-0310-9956-ffa450edef68
PIG-4157: Pig compilation failure due to HIVE-7208

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1623254 13f79535-47bb-0310-9956-ffa450edef68
PIG-4155: Quitting grunt shell using CTRL-D character throws exception

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1623272 13f79535-47bb-0310-9956-ffa450edef68
PIG-4154: ScriptState#setScript(File) does not close resources

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1623273 13f79535-47bb-0310-9956-ffa450edef68
PIG-4159: TestGroupConstParallelTez and TestJobSubmissionTez should be excluded in Hadoop 20 unit tests (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1623453 13f79535-47bb-0310-9956-ffa450edef68
PIG-4156: [PATCH] fix NPE when running scripts stored on hdfs://

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Merge latest trunk changes

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