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 remote-tracking branch 'crowbar/release/roxy/master' into release/roxy/master
Merge pull request #174 from Paul-Webster/pull-req-release-roxy-master-e7e9893d0537138b4e4b4b2ad05de34a7cd1d0a8

Separate out Hadoop deployment into 2 barclamps. [1/3]