ACCUMULO-1178 update presentation

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1456462 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1178 revert unintential check-in

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1456467 13f79535-47bb-0310-9956-ffa450edef68