Addendum to HADOOP-9910 for trunk. Removed bad characters from CHANGES.txt note that was causing odd issues.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518302 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9906. Move HAZKUtil to o.a.h.util.ZKUtil and make inner-classes public (Karthik Kambatla via Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518303 13f79535-47bb-0310-9956-ffa450edef68