[WIP] Potions

Potion brewing.

Ingredients are infinite, the recipes are the hard things to obtain. Currently the effects are:

Black - Dud, random effect
Blue - Jump boost, 10s
Green - Invulnerable, 3s
Orange - Speed boost, 10s
Purple - Increased punch damage, 30s
Red - Heal, 5 hearts
White - Null, suggest!
Yellow - Null, suggest!


![vWpI6uoh](https://f.cloud.github.com/assets/1076271/435554/76ad3eac-afe9-11e2-8b16-16984a069b7b.jpg)
![CIPugNmh](https://f.cloud.github.com/assets/1076271/435556/76deb7ca-afe9-11e2-8068-035124c4f007.jpg)
![kgKqJG3h](https://f.cloud.github.com/assets/1076271/435555/76e1df90-afe9-11e2-94b9-b4d98b91f7ba.jpg)
![eMDyHFch](https://f.cloud.github.com/assets/1076271/435557/770b96dc-afe9-11e2-9a3d-0b1e8dd2311b.jpg)
![bwobhLkh](https://f.cloud.github.com/assets/1076271/435558/770a38c8-afe9-11e2-8aa8-51b2bf545d4d.jpg)