Features incorrectly hashed in Minhash
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                 Key: MAHOUT-565
                 URL: https://issues.apache.org/jira/browse/MAHOUT-565
             Project: Mahout
          Issue Type: Bug
    Affects Versions: 0.4
            Reporter: Ankur


Given a feature vector for which minhash signature is desired, each feature id 
(an integer) is converted to a byte array through a series of bit shift 
operations. Current implementation of these operations doesn't mask the bits 
being shifted resulting in sign bit being shifted.   

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