Separate out Hadoop deployment into 2 barclamps.
  hadoop_infrastructure - Handle RAID/OS/DRIVE FORMATTING & OS deployment.
  clouderamanager - which now only lays down the Cloudera bits (CDH/CM/IMPALA/SOLR).
  Also made changes to the ApacheHadoop meta barclamp to adjust for implementation modifications outlined above.
Merge pull request #27 from Paul-Webster/pull-req-release-roxy-master-8ed4ce01877bf617238464a3eb9d1cd6ba3d3685

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