CDK-539. Convert demo example to use views.
CDK-539: Add FileSystemDatasets.viewForUri.

This adds a conversion utility that creates a view from a Path or URI
within a FileSystemDataset. This will allow the demo example to continue
using paths from Oozie but no longer depend on the partiiton API.
Add javadoc
CDK-526: Added --version option to the Main CLI

Closes #178.
CDK-479: Added a CDH5 app parent pom

Closes #177.