WowAce

Aiue:
    - Attempt at giving things more appropriate names. Also added support for RGB gradients, silly as they may be.
    - Added function Prism:Gradient(), rewrote :GetAngleGradient() to call this for backwards compatibility.
    - Removed unnecessarily silly conditionals from multiplicative saturate/brightness value functions.
    - Allow for multiplicative operations in the saturation/brightness manipulation functions.
    - Fix for :RGBtoHSV()