Texture refactor

-Texture renamed to Texture2D
-TextureLayered as base now inherits 2Darray, cubemap and cubemap array
-Removed all references to flags in textures (they will go in the shader)
-Texture3D gone for now (will come back later done properly)
-Create base rasterizer for RenderDevice, RasterizerRD

platform/android/export/export.cpp

@@ -1424,7 +1424,7 @@ public:
 		return "Android";
 	}
 
-	virtual Ref<Texture> get_logo() const {
+	virtual Ref<Texture2D> get_logo() const {
 		return logo;
 	}
 
@@ -1639,7 +1639,7 @@ public:
 #undef CLEANUP_AND_RETURN
 	}
 
-	virtual Ref<Texture> get_run_icon() const {
+	virtual Ref<Texture2D> get_run_icon() const {
 		return run_icon;
 	}