Generate partial controller classes

[kevinkuszyk]

We need to generate partial controller classes to hold the view and action name constants.

[wwwlicious]

I use the ControllerRewriter to help build a list of the Controller class SynxtaxNodes that I need to build
Example here

This outputs all the controller syntaxnode information which I can then pass to a generator and cycle through to generate each class and methods, derived class etc
Example here

I've gone for a fixed generated file in a subfolder called R4MVC located in the directory of the first controller in it's list. The file contains all the generated code as this makes it easy to filter out of the ControllerRewriter and reduces the risk of orphans from removed or changed code as the file is generated fresh every time without seeming like it affects perf too much.