Added color contrast method. Uses YIQ color spaced with technique described here: http://24ways.org/2010/calculating-color-contrast/
removed unifirst references -_-
method prefix
preform monospace text for code in documentation.
Added category for getting the average color of an image
Merge remote-tracking branch 'origin/master' into feature/csmith/colorContrast
Added my method to the existing UIColor category
updated documentation
method prefix
constantized magic numbers, removed enumerated type, uses new methods to calculate RGB with better error handling
We want to equalize rgb always
Threshold has but one 'h'
spacing
multiple assignment
typedef
pass NULL for alpha
We don't need the alpha channel
Merge pull request #68 from Raizlabs/feature/csmith/colorContrast

Feature/csmith/color contrast