Don't ship a pre-built logging.properties, since the file path has to be absolute.
Eliminate need for Context hinting.

This means we don't need to rely on the jboss.org repo in our public
artifacts. This also cleans up the session namespaces a touch.
Revert "Don't ship a pre-built logging.properties, since the file path has to be absolute."

This reverts commit e534bdc92719a276e6cea2db0d414f68846b8aa3.
Set the proper initial state of logging.properties.
A few more log level tweaks
Make ispan a touch quieter.