Camera zoom smoothing, editor UI elements, added "enabled" property to lightmap, changed how scenes are created/set

Signed-off-by: Sam Hellawell <sshellawell@gmail.com>
Disabed cull checking until it's improved, made scenes, ambient lights and the lightmap untouchable, updated cull bounds of entities, disbaled rotation/scaling on some entities,

Signed-off-by: Sam Hellawell <sshellawell@gmail.com>
Entity bounds visualisiaton, allowed pausing the entiyt manager

Signed-off-by: Sam Hellawell <sshellawell@gmail.com>