Move the inheritance logic to XMLFile class. Revert RenderPath class.

- Fix the original XMLFile used in the inheritance from being patched in the resource cache.
- Support multi-level inheritance.
- Support for all classes that use XMLFile for loading.
Added Development Base. This sets Debug Information for Debug Builds to /C7 and none on Release Builds. Modifies the install settings and ignore flag as well.
Modified Sound to provide its own unique category for UI sounds
Set Texture and Material Quality / AF parameters during startup from Engine Parameters.