[Hama Wiki] Update of "GettingStarted" by thomasjungblut

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The "GettingStarted" page has been changed by thomasjungblut:
http://wiki.apache.org/hama/GettingStarted?action=diff&rev1=61&rev2=62

  
  Current Hama requires JRE 1.6 or higher and ssh to be set up between nodes in the cluster:
  
-  * hadoop-0.20.x (non-secure version)
+  * hadoop-0.20.2 (non-secure version)
   * Sun Java JDK 1.6.x or higher version
  
  For additional information consult our CompatibilityTable.
  
  == Download ==
  
- You can download Hadoop-0.20.x here:
+ You can download Hadoop-0.20.2 here:
  
  http://www.apache.org/dyn/closer.cgi/hadoop/core/
  
@@ -35, +35 @@

  
  Untar the files to your destination of choice:
  {{{
- tar -xzf hama-0.3.0-incubating.tar.gz
+ tar -xzf hama-0.4.0-incubating.tar.gz
  }}}
  
  Don't forget to {{{chown}}} the directory as the same user you configured Hadoop in the step before.
@@ -52, +52 @@

  
  The {{{$HAMA_HOME/conf}}} directory contains some configuration files for Hama. These are:
  
-  * {{{hama-env.sh}}} - This file contains some environment variable settings used by Hama. You can use these to affect some aspects of Hama daemon behavior, such as where log files are stored, the maximum amount of heap used etc. The only variable you should need to change in this file is JAVA_HOME, which specifies the path to the Java 1.5.x installation used by Hama.
+  * {{{hama-env.sh}}} - This file contains some environment variable settings used by Hama. You can use these to affect some aspects of Hama daemon behavior, such as where log files are stored, the maximum amount of heap used etc. The only variable you should need to change in this file is JAVA_HOME, which specifies the path to the Java 1.6.x installation used by Hama.
   * {{{groomservers}}} - This file lists the hosts, one per line, where the !GroomServer daemons will run. By default this contains the single entry localhost
   * {{{hama-default.xml}}} - This file contains generic default settings for Hama daemons. '''Do not modify this file'''.
   * {{{hama-site.xml}}} -  This file contains site specific settings for all Hama daemons and BSP jobs. This file is empty by default. Settings in this file override those in hama-default.xml. This file should contain settings that must be respected by all servers and clients in a Hama installation.