Hadoop 2.3 dev (fred)
 * Refactored the CM API role object and debugged the role/service bindings.
 * Added role creation calls to the create_cluster test harness.
Merge pull request #103 from Paul-Webster/pull-req-release-fred-master-1d10ed632599365173d2c051c0eb3e0ea5ccfa8f

Hadoop 2.3 dev work (fred) - CM API roles and services. [1/1]