Re: [push-api] Move to using just endpoint (#129)

Martin, the diagram changes generally look good to me. Just a few nits:
1) the clear push subscription should have a PushSubscription as an argument, like the set action
2) If you can crop the image and drop the blank bits on the edges, less screen space will be wasted. We can always add padding in CSS if needed.

---
Reply to this email directly or view it on GitHub:
https://github.com/w3c/push-api/pull/129#issuecomment-93961171