ACCUMULO-970 recall 1.5.0-RC4 to prepare for RC5

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1484948 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-970 merge svn metadata to trunk

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1484956 13f79535-47bb-0310-9956-ffa450edef68