Fix javadoc in OfflineImageViewer. Contributed by Akira Ajisaka.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569124 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5959. Fix typo at section name in FSImageFormatProtobuf.java. Contributed by Akira Ajisaka.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569156 13f79535-47bb-0310-9956-ffa450edef68
Branching for hadoop-2.5 releases.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569185 13f79535-47bb-0310-9956-ffa450edef68