README file is old

[mbukatov]

Current README file of the project needs review as it no longer properly desribes most of the topics. Most important sections which requires rewrite are:

• INSTALLATION - uses quite old Hadoop release as an example
• CONFIGURATION - current configuration of the plugin is verry different, one would not configure plugin using this information

[mbukatov]

See this stack overflow question how to work with glusterfs-hadoop plugin? as an evidence of the problem.

[b-long]

Have you made any progress with this? Have you tried newer versions of Hadoop (for example Hadoop version 2.4.0 as referenced in pull request #97 ) ?