Client Logging Question

I think I am missing a few simple things, and even Google Search has failed me this time. :D

The following covers some of the concepts fairly well:

http://www.gwtproject.org/doc/latest/DevGuideLogging.html

However a few simple questions:

1. I cannot find the actuating logging example project.

2. I want client logging enabled/disabled based on run time settings not compile time (I have a logging.properties file to control server logging). Has anyone done this?

Thanks,

Tim