Bug Fixes

-=-=-=-=-

-Documentation now shows overridable theme values (though this needs to be documented).
-Detect when object transform is flipped and flip normals too.
-TileMap can specify bounce and friction for collision.
-Removed limit of 4 lights per object
-Added is_hovered() to buttons.

tools/doc/doc_data.h

@@ -77,6 +77,7 @@ public:
 		Vector<MethodDoc> signals;
 		Vector<ConstantDoc> constants;
 		Vector<PropertyDoc> properties;
+		Vector<PropertyDoc> theme_properties;
 
 	};