You should have seen on the Home Page a brief introduction to the site. The site is here as a testing bed/demonstration of the GenericServices library and a number of software patterns specific to ASP.NET MVC. All the work here is open source under the MIT licence.
The Introduction to GenericServices page goes into more detail about GenericServices library and some of the items demonstrated on this web site. I also suggest you look at GenericServices's read.me file which gives more information.
I have written a number of articles/blog posts which relate to this site. They are:
The last article in particular provides a good architectural overview of a MVC web site built Entity Framework and GenericServices.