ACCUMULO-1025 - deprecating AuthInfo properly



git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1451248 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-259 - merging 1.5 up to polishing branch



git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/ACCUMULO-259-polishing@1451315 13f79535-47bb-0310-9956-ffa450edef68