object associated with each different package's preferences (rather than
everything being bound into one object and differentiated by passing a
prefix) and the base config system supports user overrides of
configuration information (preferences) using the Java preferences
services.
git-svn-id: https://samskivert.googlecode.com/svn/trunk@685 6335cc39-0255-0410-8fd6-9bcaacd3b74c