Introducing TGPDiscreteSlider and TGPCamelLabel

TGPCamelSlider: a fully customizable discrete slider, not unlike UISlider.
TGPCamelLabel: an animated UILabel set, perfect to place above a TGPCamelSlider.

Works on iOS 7 and up, with fancy @IBInspectable in iOS 8.

Recommended use of pod --version 0.36.0.beta.1 on iOS 8,