ACCUMULO-952 confirm a full table merge

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1431410 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-952 confirm a full table merge only when size is not specified

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1431413 13f79535-47bb-0310-9956-ffa450edef68