ACCUMULO-118 merge trunk to branch

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/ACCUMULO-118@1490262 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-118 merge trunk into sandbox

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/ACCUMULO-118@1490273 13f79535-47bb-0310-9956-ffa450edef68