Create a JMXAuthenticator implementation which uses our authentication stuff

jconsole instructions for accessing a secured AS:

1. Start AS with jmc connector security enabled.

2. Start jconsole (with adding any options).

3. In the jconsole gui, choose remote option button and enter remote url "service:jmx:rmi:///jndi/rmi://localhost:1090/jmxrmi"

4. enter the userid and password and press connect.

Also verify that a bad userid/pw fails the challenge.