Did you even bother to read the question?
Where is even a single mention of org.jboss.logging.Logger in those links?
The org.jboss.logging package is meant to be used by JBoss and not applications that are deployed on JBoss. I think the main intention behind creating such a package is to avoid tight binding with log4j or any other logging framework. Though not directly related, the thread below is mentioning something similar: