work towards getting the materiallist generated by things like preload to spit out most if not all to-be-used variants for a given used material. ostensibly add reflection and deferred variants. will take a bit more doing to cook up mats for all the shadow variants, since it looks like that ends is more light-type based for some oddball reason (think i'm probably be misreading that end, since mats there should really just be as simnple as an occludes-or-doesn't based on alphatesting case with very few variations on that theme indeed...)

Engine/source/lighting/advanced/advancedLightManager.h

@@ -71,6 +71,7 @@ public:
 
    /// Return the lightBinManager for this light manager.
    AdvancedLightBinManager* getLightBinManager() { return mLightBinManager; }
+   RenderDeferredMgr* getDeferredRenderBin() { return mDeferredRenderBin; }
 
    // LightManager
    virtual bool isCompatible() const;