HADOOP-9866. convert hadoop-auth testcases requiring kerberos to use minikdc. (ywskycn via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1515657 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9487 Deprecation warnings in Configuration should go to their own log or otherwise be suppressible

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1515672 13f79535-47bb-0310-9956-ffa450edef68