Tasks should inherit some of the server's environment
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                 Key: HADOOP-555
                 URL: http://issues.apache.org/jira/browse/HADOOP-555
             Project: Hadoop
          Issue Type: Improvement
            Reporter: Owen O'Malley


When the task trackers start up the Task process, they clear the environment 
variables. It would be better if there was a SERVER config that listed the 
names of the environment variables that would be copied from the server's 
enviroment.

So the task tracker's config would have:

<property><name>mapred.task.environment</name>
<value>PATH,LD_LIBRARY_PATH</value></property>

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