* Fix bugs with pots, (splash) potions, scrolls etc.
* Fix warnings caused by deprecated functions and definitions
* Add mod.conf
* Clean and indent code
* Remove the stack limit of 3 glass bottles
* Optimize textures with optipng
>adds gold(shiny) potion, which brightens the world at night
>darkness potions change the day/night ratio as well as adding particles
>the empty potion pot has depth
