Hopefully the last time I change my mind on what I want these to be
called. Reason behind this change is to minimize scope of a single
module. The WindowDriver should really only handle stuff related to
windows. If we need OS level functionality (e.g. get_os_name), that
should be the responsibility of the OS driver (or whatever that ends
being called). Remember, composition over inheritance.
All functions that the create/destroy a global static singleton should
use the names init and shutdown, while any static functions that
return/take a new object should use the names create and destroy.
e.g.
void Renderer::init() and void Renderer::shutdown()
Window* Window::create() and void Window::destroy(Window* window)
