Fix bug in test where Hive warehouse table directory not getting deleted causes test to fail repeatedly.
Add information about the CDK dev list.
CDH-13884: sync sample grok patterns with logstash-1.2
Adding jbundler artifacts to gitignore.
Updating cdk-data-hcatalog's parent version ref.

Now uses ${project.parent.version} to minimize needed changes.
CDK-124: Adding cdk-data-bundle module.

This bundle is for all Dataset implementations, but not currently for
integration libraries.