ACCUMULO-1375 Pull back the final proxy/README from trunk to 1.4


git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.4@1479113 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-14 move MAC to mini package

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.4@1479114 13f79535-47bb-0310-9956-ffa450edef68