Add JUL registration thread

Listening on port 5345 by default and adds the --jul-tcp-port option to
the session daemon command line options.

At this commit, the thread is started and listening for incoming
registration but they are not handled.

This commit adds a new thread to the session daemon that is spawned by
default once the launched.

Signed-off-by: David Goulet <dgoulet@efficios.com>