http://qa.helplib.com/523867 http://www.devtalking.com/articles/calayer-animation-gradient-animation/ https://github.com/spagosx/iOS-Glowing-Label https://github.com/GabrielMassana/GM_FSHighlightAnimationAdditions http://stackoverflow.com/questions/438046/iphone-slide-to-unlock-animation https://github.com/jhurray/AnimatedLabelExample
