HADOOP-9556. disable HA tests on Windows that fail due to ZooKeeper client connection management bug. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1480880 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9553. TestAuthenticationToken fails on Windows. Contributed by Arpit Agarwal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1480883 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd