Moved 2 spell instant(Illusion, summonMonster) to lua

It would, and I thought it would be garbage collected, but @dalkon just informed me that Condition doesn't have __gc, so it's a memory leak either way. I've made some changes to ConditionOutfit in d9016853df4ec9a4786ad506d88f8ff249859cc8, so you will have to adapt to that.