Presets duration & deps update

• Easily set duration of enter/exit animations of Presets with new prop duration
• Dependencies update

Removed polyfills

BREAKING CHANGE
Polyfills removed from package and should now be installed manually if needed.

ES modules and small performance optimizations

• Added support for ES modules import.
• Switch to react context API so no need to spread props from ComponentTransitionList until ComponentTransition component, which makes much easier to use React.memo in the 'in-betweens' components.