HBASE-8191 Documentation is not giving the right class name for offline merges.
HBASE-8191 Documentation is not giving the right class name for offline merges.

git-svn-id: 949c06ec81f1cb709fd2be51dd530a930344d7b3@1460210 13f79535-47bb-0310-9956-ffa450edef68

francisliu/hbase_namespace,francisliu/hbase_namespace,francisliu/hbase_namespace,francisliu/hbase_namespace,francisliu/hbase_namespace,francisliu/hbase_namespace,francisliu/hbase_namespace,francisliu/hbase_namespace,francisliu/hbase_namespace