ACCUMULO-1438 Moving MiniAccumuloCluster into mini module


git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1484644 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1438 Merging from 1.5 to trunk


git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1484647 13f79535-47bb-0310-9956-ffa450edef68