ACCUMULO-1369 insert failures change return code

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1478775 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1369 insert failures change return code

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1478777 13f79535-47bb-0310-9956-ffa450edef68