ACCUMULO-1357 applied patch from Corey J Nolet for MiniAccumulo that enable remote java debugging and allows users to configure memory size

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1480705 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1357 added some since tags to MAConfig, made some of its methods public, made it longs internally instead of strings, and made the names more consistent

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1480719 13f79535-47bb-0310-9956-ffa450edef68