ACCUMULO-745 update mapreduce example with new cli options

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1451266 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-995 Applied patch from Michael Allen that fixes passing options to stop-all.sh

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1451293 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1110 avoid locking the tablet to get file counts

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1451339 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-259 merging updates from 1.5 branch

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