Add Fire, Rotation. Document Health, Hunger, Position, Velocity, Level, Solid

components-system branch: Big thanks to @Zidane for starting components up
Documented some values with "value in {link org.spongepowered.api.math.Vector3i Vector3i}" due to the fact that new people may not be used to using Vector3i
http://forums.spongepowered.org/t/component-system-and-minecraft/76/54?u=idragonfire
Type- or RenderComponent ist enough with an
String / int  as id

btw.
http://forums.spongepowered.org/t/component-system-and-minecraft/76/58?u=idragonfire