NewKidOnTheBlock - Adding "Empty Model Code First" option to the designer selection page.

Note that this change is mostly about adding some UI that can be used to build the end to end functionality. Also the resources (description and the icon) will be replaced with the real ones later.
Add logic to transform a DbModel into Code First classes
Test DbModel.GetColumn
Add Visual Basic code generation support
Test CSharpCodeHelper
Test VBCodeHelper, and CodeHelper and CSharpCodeHelper more