MAHOUT-1301:  toString() method of SequentialAccessSparseVector has excess comma at the end

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1509439 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1301: toString() method of SequentialAccessSparseVector has excess comma at the end

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1509441 13f79535-47bb-0310-9956-ffa450edef68
Update to latest stable Hadoop, 1.2.1

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1510478 13f79535-47bb-0310-9956-ffa450edef68