anchor.diff:  
   #### Elasticsearch Setup
   
  -[Elasticsearch](http://www.elasticsearch.org/) is the default metadata store for PredictionIO.<br />
  -Download and extract it.
  +[Elasticsearch](http://www.elasticsearch.org/) is the default metadata store for
  +PredictionIO. Download and extract it.
   
   ```
   $ wget https://download.elasticsearch.org/elasticsearch/elasticsearch/<%= data.versions.elasticsearch_download_filename %>.tar.gz
  
positive.code: 
  #### HBase Setup<a class="anchor" name="hbase">&nbsp;</a>
  
  [HBase](http://hbase.apache.org) is the default event data store for PredictionIO.<br />
  Download and extract it.
  
  ```
  $ wget http://archive.apache.org/dist/hbase/<%= data.versions.hbase_basename %>/<%= data.versions.hbase_basename %>-<%= data.versions.hbase_variant %>.tar.gz
  
negative.code: export JAVA_HOME=`/usr/libexec/java_home -v 1.7`
  ```
  
  In addition, you must set your environment variable `JAVA_HOME`. For example, in
  `/home/abc/.bashrc` add the following line:
  
  ```
  export JAVA_HOME=`/usr/lib/jvm/java-8-oracle`
  