task-controller and jsvc should install into sbin/<platform>/ directory
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                 Key: MAPREDUCE-2265
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2265
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: build, task-controller, tasktracker
    Affects Versions: 0.22.0
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
            Priority: Blocker
             Fix For: 0.22.0


Currently the task-controller and jsvc "live" in the bin/ directory regardless 
of build platform. This is incorrect since these components are native compiled 
code and thus are built for a particular architecture. So, when we ship a build 
of 22, we will want to ship both 32-bit and 64-bit artifacts so users can use 
these components without rebuilding on their own.

Additionally, it doesn't make sense for them to be in bin/ since they're not 
user-facing in any way (i.e a user would never directly invoke them). So I 
would propose putting them in an sbin directory.

The final proposed path is $HADOOP_HOME/sbin/<platform>/{jsvc,task-controller}

Note this is not an incompatible change since these components were not present 
in any prior apache release.

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