Cast bar option and KiloHealth

![ss 2014-07-17 at 11 13 26](https://cloud.githubusercontent.com/assets/7889925/3610998/c6f3d376-0d94-11e4-9fe2-9c2f8eb8aab7.jpg)

@itsthatguy please look my code though and merge if you are satisfied :)
all instances of `strXXX` should be `sXXX` or we need to change all instances of `nXXX` to `numXXX` for consistency