- Moves the "front matter" to a Markdown comment so you don't necessarily have to delete it.
- Reduces a little bit of boilerplate (this is a bit subjective).
- Tweaks some formatting (also subjective).
- Describe what happens when you use "Fixes [...]".
- Tweak the release note block so it should be easier to parse out automatically (using the same syntax as Kubernetes).
Signed-off-by: Matt Moyer <moyerm@vmware.com>