Leadup to Beta 2

Beta 2 of MightyCal will be out shortly, with lots of new features. In particular, a full administration interface is implemented, web user authentication via the frontend is implemented, and a vastly improved frontend that uses the facilities of Cocoon to a much greater extent. The entire application is starting to look a lot more like a well-behaved MVC application, with the Cocoon frontend providing the View and Controller portions, and the Model implemented in the backend.