More robust animation support detection
More robust animation support detection

Animation support and prefix detection rewritten according to MDN guide: https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Using_CSS_animations/Detecting_CSS_animation_support

rafaelfragosom/jQuery.Keyframes,Keyframes/jQuery.Keyframes,Keyframes/jQuery.Keyframes,polikeiji/jQuery.Keyframes,jQueryKeyframes/jQuery.Keyframes,polikeiji/jQuery.Keyframes,rafaelfragosom/jQuery.Keyframes,jQueryKeyframes/jQuery.Keyframes