ACCUMULO-1438 Moving MiniAccumuloCluster into its own package


git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.4@1484632 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1438 Adding Mini Module


git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.4@1484636 13f79535-47bb-0310-9956-ffa450edef68
Adding ignore for src/mini/target snd eclipse project files


git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.4@1484641 13f79535-47bb-0310-9956-ffa450edef68