ACCUMULO-958 - Adding Michael's patch. I did some formatting checks and added an increased default replication for the dfs secret key implementation he provided. I also did some additional code suppression due to the API provided being volatiile.



git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1438786 13f79535-47bb-0310-9956-ffa450edef68