remove React.ComponentElement<P> and rename Factory<P> to ComponentFactory<P>
Add some attributes tests to react-tests and remove index signature from React.CSSProperties
Add React.Children tests and change callback param return types from void to any
Add React.ClassSet interface and properly extend CSSTransitionGroup from TransitionGroup; +tests in react-addons-tests
Change React.React.Attributes.key type to any // number | string
Merge pull request #3314 from Asana/react-simplification

Update react.d.ts