ACCUMULO-1394 Quick fix to make NEGATE option name in filter protected

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1483480 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1394 merge to trunk

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1483482 13f79535-47bb-0310-9956-ffa450edef68