anchor.diff:  
   #### Spark Setup
   
  -[Apache Spark](http://spark.apache.org) is the default processing engine for PredictionIO.<br />
  -Download and extract it.
  +[Apache Spark](http://spark.apache.org) is the default processing engine for
  +PredictionIO. Download and extract it.
   
   ```
   $ wget http://d3kbcqa49mib13.cloudfront.net/<%= data.versions.spark_download_filename %>.tgz
  
positive.code: export JAVA_HOME=`/usr/libexec/java_home -v 1.7`
  ```
  
  In addition, you must set your environment variable `JAVA_HOME`.<br />
  For example, in `/home/abc/.bashrc` add the following line:
  
  ```
  export JAVA_HOME=`/usr/lib/jvm/java-8-oracle`
  
negative.code: standalone mode. Details can be found
  [here](http://hbase.apache.org/book/quickstart.html). Here, we are showing a
  sample minimal configuration.
  
  INFO: For production deployment, run a fully distributed HBase configuration.
  
  Edit `<%= data.versions.hbase_basename %>-<%= data.versions.hbase_variant
  %>/conf/hbase-site.xml`.
  
  ```
  <configuration>
    <property>
      <name>hbase.rootdir</name>
      <value>file:///home/abc/<%= data.versions.hbase_basename %>-<%= data.versions.hbase_variant %>/data</value>
    </property>
    <property>
      <name>hbase.zookeeper.property.dataDir</name>
  