Javadoc cleanup for the new public clustering API
Fix WFLY-2901.
Merge pull request #5893 from rhusar/javadoc_clustering_api

Javadoc cleanup for the new public clustering API
Merge pull request #5900 from jfclere/master

Fix WFLY-2901.
Fix quickstart link
Release 8.0.0.Final
Next is 8.0.1.Final