fix($animator): ensure animations are always disabled for an element that is not attached to the DOM
fix($animator): ensure that the active CSS class is added to the element if animation is cancelled early
feat(ngAnimate): provide support to execute multiple CSS and JS animations to in parallel per event
feat(ngAnimate): provide support for animator animation callbacks
feat(ngAnimate): provide support for addClass and removeClass animation handlers
feat(ngClass): provide support for animation