The FeatureToggle project has been moved to:
The documentation will be moved shortly and a NuGet package will also be available soon...
You can now take a first glance at my new open source project FeatureToggle
It's early days yet and I'm not quite what direction it will take.
The next thing I'd like to upload are some sample projects in WPF, WP7, ASP, etc so as to illustrate how to use FeatureToggle but also to help drive the design from the point of the consumer.
More info of the idea of feature toggle can be found at Martin Fowler's site.