The Xcode IDE can also benefit from the options:
- WINDOWS_USE_VISUAL_STUDIO_SOURCE_FOLDERS
- WINDOWS_USE_VISUAL_STUDIO_PROJECT_FOLDERS
So add suport to these options and also renames them as they are no
longer limited to just Windows and Visual Studio.
Reviewed By: brecht, ankitm
Differential Revision: https://developer.blender.org/D12132