Added window.addEventListener('resize') functionality.

This PR add's resize functionality for window.resize event listeners.

On resize it also updates the window.innerWidth and window.innerHeight.

Notable changes are that I had to change `EJBindingEjectaCore`'s base class to `EJBindingEventedBase` in order to get this to trigger the resize event when the frame of the EJJavaScriptView changes

thanks!